noun used by Steven Stifler from American Pie 1 & 2, and American Wedding. It's similiar to a person who likes gapage (anal sex) or anything inserted into their rectum.
"Happy Fuck Day, Assmo!" - Stifler
by Becka Contreras June 22, 2004
Get the assmo neck gaiter and mug.
n. A person who inserts foriegne objects into a cows anal cavity.

v. Using force to give a cow anal pleasure.
n. "You are such an assmo Eric"

v. "Did you try to assmo him John"
by Scott Tyler February 12, 2004
Get a assmo mug for your cat Jovana.
someone who likes things insertded into there ractom or another name for deushbag, basically.
That guy is such an assmo
by Derock May 29, 2004
Get a assmo mug for your boyfriend Günter.
A word used to insult, such as,"Asshole!" and "Fuckface"

This came about in IRC when an IRCop killed someone.
<-- Axzor has quit (irc.unhandledexceptions.com Local kill by Pyr0t3ch (Testing ))
<Axzor> You assmoe.
by Dan August 14, 2004
Get the assmoe neck gaiter and mug.