look up any word, like bangarang:

2 definitions by AdamK

 
1.
Someone who makes things up by pulling it out of their butt.
Bob is a buttnovator. He totally pulled that word out of his butt.
by AdamK May 19, 2008
 
2.
To make something up by pulling it out of your butt.
Buttnovator: When I can't think of a word that matches what I'm trying to say, I just buttnovate.

Clueless: What? You buttnovate?

Buttnovator: Yep, I pull it out of my butt.
by AdamK May 19, 2008