8
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
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9
the process of one's butt getting bigger just by standing beside those with bigger butts.
People with fat friends get bigger butts just by being around "fat asses"
Julie's butt got bigger every time she was near Jane because of assmosis.
I can't help that my ass has gotten bigger; it was assmosis.
by Serena Peterson October 02, 2007
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10
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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11
The passive transmission of misinformation by speaking out of one's ass.
Sitting next to like-minded people reassuring themselves of their rightness of their positions, the only info being passed around is thru assmosis.
by JazzMeaner October 09, 2016
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12
the process of one's butt getting bigger just by standing beside those with bigger butts.
People with fat friends get bigger butts just by being around "fat asses"
Julie's butt got bigger every time she was near Jane because of assmosis.
I can't help that my ass has gotten bigger; it was assmosis.
by Serena Peterson November 28, 2007
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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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