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When someone washes their hands prior to shitting but not following
Unfortunately I walked into the bathroom of the restaurant and caught the chef pull a reverse osmosis- apparently he didn't want to get my dinner on his asshole but had no problem with the contrary.
by Janet Fupa July 11, 2013
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The extremely rare process in which a woman actually loses weight after getting married and or having childrenโ€ฆ
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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When you're driving and the person in front of you is following you
Angel: Dude we've been behind this car for 30 minutes
Ray: Maybe we're getting reverse osmosised bro!
by Fuckassdick122 October 18, 2015
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