Double Crack 

To have a massive ass that is too big to be a circle so it grew a bottom layer

Dude, seriously that bitch is huge, check out that double crack!

Double Crack by Yuri Gojirah October 12, 2010

Lame crack 

A joke that is lame or that one cracks in a lame fashion. Lame cracks can also be a stupid try hard voice or expression. Usually lame cracks are initiated when the cracker is feeling insecure or nervous. The only one who laughs at a lame crack is the cracker. (adapted from 'wise crack')

Jimmy: Hey man I watched Everybody Loves Raymond last night an it was full of lame cracks.

John: Word.

Lame crack by Urban definer August 1, 2012

b crack 

The alternative meaning for the word " butt crack."

You're b crack's showing.

b crack by I-am---BATMAN!! March 23, 2015

butt crack attack 

Someone who wears tight or revealing clothing that exposes their butt crack to the world. Sometimes, they do it intentionally and other times it's by accident. butt, ass, butt crack, ass crack, booty, heavy duty booty

The lady was wearing low hanging pants and a g-string, trying to be sexy. She committed the sin of releasing a butt crack attack.

butt crack attack by joecoolthefool January 20, 2016

Jewish Crack 

Allergy medicine in pill or tablet form.

I took my Jewish crack, so we won't have any trouble at the dog show.

Jewish Crack by Commander Kafka November 18, 2016

scooby crack

i fucking delicios snack that when crumbled you can snort it HELL YES

yo wassup homie
wassup
you wanna get some scooby crack

scooby crack by dankTDM March 9, 2017

Ass Crack of Dog 

When your dog wakes you up at 5:00 AM with his butt in your face.

I'm exhausted still after having woken up at the ass crack of dog... At least I had plenty of time to shower.

Ass Crack of Dog by saffirepulse July 8, 2018