look up any word, like bae:
 
4.
If someone says "Crack Kills," it means you're mooning them and they'd appreciate it if you'd pull your pants up.
Mike:Brad.
Brad:What?
Mike:Crack Kills!
by Random Rokker People June 20, 2009
 
1.
A figure of speech used to let someone know that their butt crack is showing a lot or a little.
Crack kills. Pull them pants up.
by Mr. Terrence L. Trezvant August 07, 2006
 
2.
the truth
better stick with pot
by pot smoker November 05, 2003
 
3.
Expression used to let s.o. know their butt crack is showing.
The plumber is working underneath the sinkwith his butt in the air.
You come in: "Dude, crack kills! Pull 'em jeans up!"
by Mr. Mouse November 29, 2004