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3.
Smatch is a combination of the words "Smash" & "Match". "Smash" is a term used for getting laid or getting the butt cheeks and "Match" is a term using for going 50/50 for weed or chronic. If you would like to get high and have sex after this is the perfect word!
Yo bitch lets Smatch! or yo shawty after class do you want to Smatch?
by Richie.B, Luis.P January 02, 2011
 
1.
1. An ass-slapping motion.
2. The period in the Ottoman Empire when the flags were ripped down to be turned into dresses.

See also 38th parallel
Smatchin' it to the 38th parallel, bitchez!!!
by Tituba Don't Truck Wit No Consonants September 14, 2006
 
2.
To smack someone in the snatch, usually as punishment. See also smatched, smatching, and smatches.
"If you keep posting links to Rebecca Black's "Friday", I'm going to smatch you.
by Esmatchulator May 13, 2011
 
4.
to choke with male juices or gizz
Don't make me smatch you
by Drew Tufts January 12, 2005