To spray vomit or blomit (bloody vomit)into the tube that you are felching someone with, therefore filling the anus with puke.
After jaay was done felching his 89 year old boyfriend, he had to go to the bathroom and drain the buttpuke from his rectum.
by Legendary Films September 21, 2004
Get the buttpukemug. diarhea varying in substance, usually containing lumps, chunks, and hot slime which burns the cornhole. Resembling vomit expulsed rectally.
by Steve January 6, 2003
Get the Buttpukemug. by Beyond warped August 31, 2003
Get the Buttpukemug. Nathan:Hi dorkyface.
Rocko:Nathan makes want to throw a hissy fit.
Austin:Nathan is a bunch of buttpuke.
Rocko:Nathan makes want to throw a hissy fit.
Austin:Nathan is a bunch of buttpuke.
by 脚ぬください January 13, 2020
Get the buttpukemug.