Stag Do Fines: Rules, Ideas & How to Track Them

Stag do fines are simple: set rules before the weekend, and when someone breaks one, they get fined. The group votes on how bad it was, and the best man delivers the verdict. It's the best way to keep everyone on their toes and create stories you'll be telling for years.

What are stag do fines?

Stag do fines are a game where the group agrees on a set of rules before the stag weekend. When someone breaks a rule - like being caught on their phone, mentioning work, or losing a dare - they get "charged" with a fine.

The fines aren't usually real money (though they can be). Most groups use a points system or a "fine jar" where the severity of each fine gets voted on by the group. At the end of the weekend, the person with the most fines gets a forfeit - or eternal bragging rights go to whoever stayed cleanest.

The best man typically runs the system - they're the judge, jury, and executioner. But the group votes on how severe each fine is, which keeps things fair (and hilarious).

How to set up stag do fines rules

The key to a good fines system is getting the rules right. Too many rules and nobody remembers them. Too few and there's nothing to fine people for. Here's how to do it properly:

Set rules before the day. Share them in the group chat at least a week before. Let everyone read and agree.
Keep it to 10-15 rules max. Enough to be interesting, few enough to remember.
Mix obvious and surprising rules. Everyone knows "no phones" - but "no saying the groom's real name" catches people off guard.
Make rules enforceable. "Don't be boring" is too subjective. "Can't sit down for more than 10 minutes" is clear.
Assign a judge. The best man is the obvious choice. Give them final say on disputed fines.
Invite the group. Add each member's name and email when you create your room. They'll get an invite link and can sign in straight away - no group chat links to lose.

30+ stag do fine ideas

Need inspiration? Here are the most popular stag do fines, sorted by category:

Classic rules

Using your phone (unless for the fines app, obviously)
Mentioning work or your job
Talking about your partner/relationship
Saying the groom's real name (use a nickname instead)
Being the last to finish a drink
Spilling a drink
Sitting down when everyone else is standing

Social media & tech

Posting on social media
Taking a selfie
Texting someone who isn't on the stag
Checking the football scores
FaceTiming anyone

Behaviour

Complaining about anything
Being late to a meeting point
Falling asleep before midnight
Getting lost
Refusing a dare
Saying "I'm too old for this"
Ordering a soft drink (before a set time)

Groom-specific

Mentioning the wedding
Saying his fiance's name
Trying to call or text the fiance
Getting emotional about the wedding
Refusing to wear whatever outfit the best man chose

Wildcard rules

Using the word "mate" (harder than you think)
Pointing with your finger (must use elbow)
Saying "cheers" when clinking glasses
Going to the toilet alone (must take a buddy)
Wearing your watch on the wrong wrist
Breaking an accent challenge (everyone must speak in an accent for an hour)

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How to track stag do fines

Tracking fines is where most groups fall apart. Someone starts with a WhatsApp note, then it gets lost in 200 messages. Or someone brings a notebook that gets soaked by the second pub. Here are your options:

WhatsApp / group chat

Free and everyone has it, but fines get buried in messages. No voting, no leaderboard, no structure. Works for small groups who don't take it too seriously.

Pen and paper

The old-school method. Print a fines card and tick boxes. Simple, but gets messy after a few drinks and there's no voting system.

Spreadsheet

Google Sheets works if someone's willing to maintain it. But editing a spreadsheet on your phone in a pub at midnight isn't ideal.

A dedicated fines app

Purpose-built for stag dos. The best man creates a room, adds everyone's names and emails, and each member gets an invite link straight to their inbox. Everyone submits fines from their phone, the group votes on severity, and the best man sees a live leaderboard. Rooms are private - only invited members can see the action.

How does voting work?

The best fines systems let the group decide how severe each fine is. Instead of the best man unilaterally deciding everything, everyone votes. This keeps it democratic and avoids accusations of bias (which the best man will get anyway).

A typical severity scale might be:

MildMinor offence. A slap on the wrist.
BadSolid rule break. Deserves recognition.
ShockingLegendary offence. Will be talked about for years.

The average vote determines the severity. At the end of the weekend, the best man "finalises the court" - locking in all the verdicts and revealing the final leaderboard. Whoever's at the top gets whatever forfeit the group agreed on.

Frequently asked questions

Do stag do fines have to involve money?

Not at all. Most groups use a points system. The person with the most points at the end does a forfeit - like wearing a costume, buying a round, or doing a dare. Money fines can work too (put £1-2 per fine into a pot and buy the groom a drink), but they're not required.

How many rules should we have?

10-15 is the sweet spot. Fewer than 10 and there aren't enough to keep things interesting. More than 15 and nobody remembers them all. You can always add bonus rules on the day if things get quiet.

Should the groom know the rules in advance?

Depends on your group. Some best men share the rules with everyone (including the groom) so it's a level playing field. Others keep some rules secret so the groom walks into traps. Both approaches work - just make sure the groom has a good sense of humour either way.

What if someone disputes a fine?

That's what the best man is for. Their word is final. If the group votes and the best man agrees, the fine stands. Some groups allow "photo evidence" - if you can prove the offence with a photo, it's undeniable.

Can we add fines for things that weren't in the original rules?

Absolutely. The best moments come from spontaneous fines - someone does something so ridiculous that the whole group agrees it deserves a charge, even if it wasn't on the list. The best man can approve or dismiss these on the spot.

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