look up any word, like cunt:
 
1.
a word that everyone can use correctly, but no one can use right.
"fuck" is derived from german "frichen".

shit is derived my anus

even though the second one is grammatically and semantically correct, you'd be fucktarded for saying that.
by Hawaiian Dicking May 17, 2009
 
2.
verb
1. To find the point where it came from, to take the derivative
2. To torture (method used by Calculus teachers)
Don't drink and derive.
by Dragix November 12, 2006