The name of the little submarine in Markiplier's video, SOMA Part 3. Possibly also something disgusting

He's my little bubble butt biscuit *grutural noises* I don't know what a bubble butt biscuit is but I'm not sure I want to know.

by JFox October 15, 2015

Butter Butt Biscuits

Someone with a nice shapely butt, thick and round, nice looking.

by Heather Banks June 12, 2008

baking butt biscuits

the aroma of hot turds ready to come out of the butt oven

Upon smelling my recent fecal effusion my wife exclaimed, "mmm...someone's baking butt biscuits"

by megryan July 4, 2008