2 definitions by BTP

A person, male or female, without any "junk in the trunk." A prevelant trait in skinny individuals. The opposite of a ghetto booty or bubble butt in women, but also used to describe males (unlike ghetto booty or bubble butt, which tend to solely describe the female body).
Man, did you see that girl?
-Yeah, she's got a nice body. Her friend would be the complete package too, if not for that wall butt!

I want a guy that I can grab onto. No wall butts.

by BTP May 6, 2008
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A free online learning platform that magically instills you with concepts and knowledge in a matter of seconds from the comfort of your own room as opposed to a matter of semesters in a stinky classroom. Often chastised by teachers and professors for an alleged lack of interaction when in fact their actual contempt arises from Khan Academy's remarkable ability to underscore their incompetency.
Argh, I don't understand my calculus homework and I'm failing the class, argh.

*visits Khan Academy, watches 3 minute tutorial on indefinite integration*

*now an expert on indefinite integration, now has A+ in the class*
by BTP August 30, 2012
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