Top Definition
a bonch that has been so severely chaffed by a dry tongue that it has become a sticky hot blister which causes the owner of said bonch to groan like a dinosaur.
"we can't fuck tonight because I have a bonchasaurus again."
by Timothy July 14, 2004
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.