look up any word, like darude - sandstorm:
 
1.
A trifling person who diminishes the opportunity for self satisfaction or gratification.
Boyfriend: Hey baby, how about we get together tonight and you let me "walk your planks"?

Girlfriend: Well, I don't know. I have too much work to do and...

Boyfriend: Ah shyt, I ain't got time for your silly shyts, you "bustah"
by ProdigiousMaestro March 17, 2003
 
2.
A man who falsely believes that he is a cool gang member, when he is only fooling himself.

A chump.
"Luke thinks he's an OG, but y'all already know he's just a bustah."
by DontBeABustah December 18, 2009