Definitions by ALPH4

Human Butane Fill 

When one person inserts a funnel into another person's anus and then farts into it, thus filling the person's rectum with fart, as a butane filler would fill a lighter with butane.

"Yo dawg, I'm running low on fart, can you human butane fill me?"

Human Butane Fill by ALPH4 May 4, 2012