look up any word, like blumpkin:
 
1.
Referring in a derogatory sense to somone who is a gay fuckhead 24/7, thus surpassing all other insult or condemnation.
Man Mr. O'Brien is such a total butt fag.

Fuck, Krause, John, Tomas, and Michael are butt fags.
by Capcom_6 October 13, 2006
 
2.
A derogatory term describing a homosexual who engages in anal sex with other men or with a strap on dildo with other women.
see downlow jig

Example must have at least 20 letters and 3 words
by waffle August 07, 2004
 
3.
when someone is not only a fag, you literally think they date men and accomplish anal sex every night.
"hey do you know that new kid Robby?"
"yeah, god thats kids a buttfag."
by dmoneytherealest September 16, 2009
 
4.
worse than a faggot is the buttfag.

he is a homo/loser with a buttugly face.

generally accepted but wrong defintion:
faggot who likes it in the butt.
a playground accident can turn you or your best mate into a buttfag.
by real _name May 01, 2009