When you deep throat a woman and her gag reflex is too strong and barfs on your balls
Man I deep throated Kendall last night and and she gave me barf balls
by Eye Glass Pimp June 19, 2015
A disgusting little ball of nasty. Usually used to describe a greasy or dirty person
"Hey look at that hobo, what a barf-ball!!"
by Hannah Montana in da house July 09, 2009