Ladavoochery - Ladavoochery is when a bunch of lads challenge each other to

Ladavoochery is when a bunch of lads challenge each other to be the biggest idiot, usually while drunk.

'You better be the one who throws the punch, or I'll throw you out of the bar.'

'If you don't shout at the bus driver, I'll punch you.'

'You're not a real lad if you don't make a fool of yourself.'