Bull Twang 

To express an oppinion of disbelief. Similar to saying: "Bull Shit"

"Yo man, that's bull twang!"

Bull Twang by OlivaHessum April 7, 2009

Bull twanger 

someone who is gay and likes to play with other guys balls

guy1:heey boys
guy2:oh stop being a bull tawnger im not gay

or

that poofter is a bull twanger

Bull twanger by Hemi yes i said Hemi June 2, 2010

bulltwang 

A cool alternative to the ugly sounding bull-S**t. It;s meaning can also extend to to something unfair as well as untruths

A: "Sorry you didn't pass your driving test"
B: "That's bulltwang man!"

or

A: "I swear I didn't touch her man!"
B: "We both know that's bulltwang!"

bulltwang by Will-Dawg July 31, 2006