float an air biscuit

To silently drop a fart and watch to see who first smells it

Did someone just float an air biscuit?

by DumbAssFucker November 19, 2017

Sittin’ on a biscuit

Have to take a poo!

Whew, I had a big breakfast! I’m sittin’ on a biscuit.

by Summit Waterboy July 25, 2018

Double Decker Biscuit

Someone who says they are over weight in a joking manner.

"I'm not fat, I'm a Double Decker Biscuit."

by TomHemy2020 January 15, 2020

Son of a Butter biscuit on a sunny day

This phrase is for if you want to say son of a bitch, but you are in school or at any place where you cannot curse.

Dude, you realize that we still have school on Friday right?
UGHHH SON OF A BUTTER BISCUIT ON A SUNNY DAY!

by jay da pimp May 1, 2021

steam biscuit

Flatulence of a moist and semi-silent hissing variety, with uncanny room clearing potential.

Late at night as I suffered from insomnia and indigestion, I lifted my ass and relased a steam biscuit that woke my dog midsnore and sent her running to the other side of the room

by Bothar the Mignificent November 8, 2007

arse biscuit

Something drunk old irish priests say

Father Ted: "Would you like some more tea, father?"
Father Jack: "ARSE BISCUITS!"

by Chris "Kreejo" JJ September 24, 2006

Kingston Biscuit

Occurs when you're rimming between your partners "biscuit's" and you end up with some brown cream on your tongue.

Dude, I was totally rimming this hot guy, and he gave me the Kingston Biscuit big time!!

by RentBoys January 23, 2009