big boy tings 

used to describe a buisness deal or a generally grown up event

yes blud im out tonight taking care of buisness , big boy tings u get me?

big boy tings by g1019 January 1, 2009

Bigby 

derogatory term Canadians

"ooh look i me, i'm a bigby and i'm afraid of the dark"

Bigby by mapleleaf209 April 16, 2009

Big Boy 

A person who is cooler than everyone

Samuel Clements is a Big Boy

Big Boy by ingradf February 4, 2013

Big Boy 

A Boy Who is Big

He is such a "Big Boy"!

Big Boy by AGuyWhoMakesUpWords May 11, 2017

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

Big Boy Connor

A big guy named Connor who sucks large cock while getting a cringlestick on the lacrosse field

Damn that guy gets massive cock and cringlestick he must be a big boy Connor

Big Boy Connor by Jake possum May 5, 2015

big boy dream 

dreaming about sex or sexual encounters, and having physical signs of arousal afterwards

I had a big boy dream last night, I woke up hard.

big boy dream by bmthjay April 10, 2017