Jack Squat

Something you don't know.

I don't know jack squats about music

by Mr13BF July 9, 2012

Breakfast Jack

This morning treat is an excellent source of protein.

Bro: You ready for the gym this morning, Brah?

Brah: Yeah, I just had a huge breakfast jack, Bro.

by d kizzle February 25, 2009

Jack Moran

A misogynist prick, who doesn’t know how to shut the fuck up. 😁🖕🏼🖕🏼🖕🏼

Jack Moran sucks cock and can’t get a girl to save his life. Jack Moran is not relevant!!

by Harmbug September 2, 2019

jack-knife

another term for a rude person, synonymous with asshole, jerk, dick, bastard

a way to curse without offending your grandparents

1) Dude, look at that jack-knife over there, what a douche!!
2) Quit being a jack-knife!!

by Jigga JMO September 16, 2008

Jack Hammer

cocaine; the white candy; snappers

I had Sally doing jack hammers off my d**K

by daB May 18, 2004

jack frost

When you are outside on a cold winters morn' and it's so freezing that you cant feel your hands, you start jerking it with your numb hand and pretend its someone else doing the work.

Mo: "Dude i'm freezing my nads off out here; this sucks."
Fatty (smiling): "That's why i'm givin myself the gnarliest jack frost!!!!"

by SJE 42 January 26, 2008

flap jack

a pan-cake of sorts. excelent for scolding people's faces off. when not completely cooked, acts as a delicious form of napalm.

after he threw me threw the window, i grabbed a flap jack and he knew i meant business.

by bilbo January 4, 2004