Top Definition
A piece of food that was in your stomach but now you have hacked it up, and it is now in your mouth.

Usually about the size of an eraser head on a pencil. Also is known to have an awful smell like toss or pooh.
Hey Joey, did you just hack up some farnin?
by scobe-ite November 15, 2010

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.