When two people engage in anal sex.

(called "assmosis" because the two lovers are absorbing each other's pleasure as they bump their ends)

Derived from the word "osmosis."
Okay cowboy, let's go make love on the couch via assmosis.
by Mark H May 22, 2004
The chemical process through which alcohol is absorbed directly into the blood stream through the rectal walls, as a result of anal alcohol consumption.
Cory passed out last night. I guess the assmosis really caught up with him.
by Dub Dub Lifer November 23, 2010
The process by which some people seem to absorb success and advancement by kissing up to the boss.
"He got VP via assmosis."
by Zak May 03, 2003
the process of absorbing heat from a seat left by the person previously sitting in the seat
John: Hey, this seat is warm.
Franny: Lucky, you get assmosis.
by Julie Parker December 23, 2013
The process by which a person's ass becomes moist through osmosis after prolonged contact with grass. Not to be confused with assmosis.
Z: G-dawg, how did your ass get so moist?

G: Ass-mosis of course.
by theHonestAbe September 08, 2012
A process by which a dumb inept individual attains high status and success by kissing up to superiors and stepping on co workers to attain empty undeserved success in a corporate environment.
It was evident that their success had attained not through intelligence, hard work or through experience but it was through assmosis.
by co09 March 28, 2006
The process by which some people seem to absorb success and advancement by kissing up to the boss rather than working hard.
the guy sitting next to you suffers from assmosis
by Dawna March 07, 2006
the gradual or unconscious assimilation of ideas while sitting on one's posterior in a classroom setting
While sitting and listening to the long lecture I seem to have retained much of the content by the process of assmosis.
by herbybell April 03, 2010

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