1 definition by AlbertaBeef2
Similar to queefing, however this phenomenon occurs during the act of fellatio when the giving party burps while the penis is in the oral cavity.
Tyler: Wow, you give great head Steve.
Steve: (Nasty burp!)
Tyler: Ewww, you just beefed, didn't you?
Steve: Yeah, I totally beefed dude. Sorry.
Steve: (Nasty burp!)
Tyler: Ewww, you just beefed, didn't you?
Steve: Yeah, I totally beefed dude. Sorry.
by AlbertaBeef2 April 30, 2009