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 8, 2012
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Mosies he is a sweet guy who always is down for you he treats you like a princess and nothing less
Mosies is such a gentleman
by Lagoonablue16 November 10, 2022
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A large group of mosquitoes that attack you when you least expect it. They are not a swarm, as you can see them coming and are problem considered more irritating, with it resulting in you wishing to kill them
a mosquito (or Mezze of mosi's) has butchered my left foot overnight. Bring on the first frost and DIE you bastards.
by SK82 October 5, 2011
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