The act of checking your mail, facebook and twitter accounts, checking out the new additions to lolcats, failblog, roflrazzi and urban dictionary, checking nhl and ufc highlights, etc, all while your teacher is lecturing you, hoping that some of the talk that is washing over you will stick in your head.
"Life's too short to listen to this crap. Hopefully i'll accidentally learn enough to pass via verbal osmosis."
by sike moda November 16, 2009
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The extremely rare process in which a woman actually loses weight after getting married and or having children…
Wow, she looks better now then she did before having the kids !!! Talk about "Reverse Osmosis", that breastfeeding thing really does a body good !!!
by Sombeach82 June 24, 2010
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The process of osmosis, or learning something while you are asleep, but the thing/person learning is awake.
Fuck this osmosis shit, sleeping is hard. Reverse osmosis is the shit!
by ManguyManguyguyguy October 14, 2020
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The act of maintaining a ghetto disposition that is on and off regardless if you get out of the ghetto. It has already permeated your head. A term used in New York City to describe people to have a continually ghetto character mad randomly wherever they may move or go.
Today:

John: Hi Marie
Marie: O Hi John

Tomorrow:

John: Hi Marie
Marie: Fuck You, Just Kidding

John & Friends: Damn the Hood done permeated her brain. She Got Ghetto Osmosis.


by Winmobmak384 March 31, 2009
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When a chick performs a reverse cowgirl on you while your in a jacuzzi.
"Woah dude, she did that reverse osmosis on me last night."
by beardedclamm October 26, 2011
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Sleeping with men who are physically larger than you and stealing their test.
Person 1: Bruh, how you lifting so much today? Person 2: Saturated Anabolic Osmosis Person 1: What is that? Person 2: Getting railed in the ass by larger men and stealing their test.
by black2pac March 26, 2021
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The inescapable general baseline knowledge of fandoms even if you are not technically a part of the fandom, that you gained from being a nerd and talking to other nerds.
Person 1: How did you know so much about Doctor Who?
Person 2: Oh that, I got it from Base Line Nerd Osmosis with my sister.
by Human____404 February 20, 2021
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