1 definition by Gumby1.0

1. (noun) Derogatory term created by combining the words bullhorn and butthead that implies that one is a talking butt, amplified by a bullhorn. First coined by Gary Busey in the movie "Bulletproof"
2. (noun) Derogatory term created by combining the words bullhorn and butthead that implies one is the equivalent of amplified flatulence. First coined by Gary Busey in the movie "Bulletproof"
I'm your worst nightmare, butthorn!
Bird season's over, butthorn!
by Gumby1.0 March 29, 2011
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