Definitions by SarcasticSilas

Big boy shit 

When someone offers to help you but you want to act harder than them so decline

Often used ironically

Me: Just downed half a bottle of vodka, gonna be hard to finish the rest
Them: I can help you finish it if you like
Me: Na this is big boy shit mate.....but cheers

Big boy shit by SarcasticSilas September 16, 2018