A theory that states: if a football can be inserted into the asshole past half way, said asshole will create a suction and/or vaccume and ingulf the rest of the football if lubracation is in use
Bro1: Bro, me and jessie tested out the shartmann theory last night Bro2: broooo how much lube did u guys go through
Bro1: brooooooooo idek like half the tube
n. 1. one who sharts multiple times; a compulsive sharter
2. one who sharts while attempting to blast a massive fart on someone else 3. one who sharts quite often
n.
Tom: yo bro, jack just sharted in my bed
Steve: why did you even let him in your house?
Tom: why not?
Steve: oh, you don't know, jack's a shartman. he holds the guiness book of world record for most sharts ever and most sharts in an hour. i heard once he even sharted on his balls.