A stag do needs a few laughs at the stag’s expense. In Dublin most fancy dress and pranks are fine – but some costumes, some behaviour and the flight home come with real rules.
At a glance
Varies
fancy dress rules differ by venue
€75
fine for drinking in the street
€500
max fine for being drunk and a danger in public
No
realistic Garda uniforms
Sober
is how you need to board the plane
Pranks that work
👗 The stag’s outfit
Dress only the stag – the group stays normal, so you still get into bars.
📋 Dare list
A list of harmless dares for the day: a song in a trad pub, a photo with a stranger in a matching hat.
🏷️ Name badges
Silly nicknames for everyone – easy, funny and allowed everywhere.
🎤 Karaoke forfeits
Lose a game at the activity, sing at night.
📸 Photo challenge
A list of Dublin landmarks to tick off with the stag in costume.
What to avoid
Costumes
No fake Garda uniform
Wearing an imitation Garda uniform without a reasonable excuse is an offence in Ireland, with heavy penalties.
Street
No drinking outside
Drinking in public places is banned in Dublin city – fines start at €75.
Airport
Board sober
Airlines refuse drunk passengers, and Ryanair charges a minimum fine for disruptive behaviour.
Good to know
🎭 Ask the venue
Some bars and clubs allow fancy dress, others refuse it – a booked package helps.
👕 Keep it light
Matching T-shirts are welcome almost everywhere; full costumes are not.
🚫 Keep clothes on
Indecent exposure is a criminal offence in Ireland.
🍺 Respect the staff
Bar staff must refuse anyone who is very drunk, and refusing to leave is an offence.
✈️ Think about the flight
Opened drinks bought at the airport can be taken off you, and drunk passengers are turned away.
Activities for the stag to suffer through
FAQ
Can we wear fancy dress on a Dublin stag do?
Yes, but rules differ by venue. Dressing only the stag, or matching T-shirts for the group, causes the fewest problems.
Can the stag dress up as a Garda?
Avoid it. Wearing an imitation Garda uniform without a reasonable excuse is an offence in Ireland.
What are good stag pranks in Dublin?
A dare list, silly nicknames, karaoke forfeits and a photo challenge around the city – funny without causing trouble.
Can we fly home in costume?
Costumes are not the issue – being drunk is. Airlines turn away intoxicated passengers.
