Onesy

a one hitter; a pipe used for smoking marijuana

Did you bring onesy? Make sure onesy is packed full of funsy.

by Dirk420 September 7, 2006

Onesie

When a girl is so tight, you can only fit one finger in her.

Emma's a Onesie!

by Lateofthepier October 20, 2009

A self rolled spliff that is the size of a rollie cigarette, using one regular sized rolling paper/skin.

Dave: Is there any weed left?
John: Nah man, not even enough for a onesie.
Dave: :(

by Kempernol January 9, 2008

When you have to pee but not poop

Hey man can I use you’re bathroom I have to do a onesie I’ll be quick.

by Moist eyecrust November 12, 2017

a term originated from Ireland used to define a coffin

"me mum's prettier than you and she's sleepin in a bleedin wooden onesie"

“You fucked my sister?! I’ll put you in a god damn Wooden onesie you foreskin chomping thundercunt!!”

by Cloddyboi March 22, 2020

The act of someone in the military taking a piss. In the Military they tend to add the word combat in front of everything.

Man, I just had three sodas. Now I really have to take a combat onesie

by RoyVA6 January 30, 2009