slang for Ritalin, basically a long-lasting but watered-down alternative for speed or coke (when ground and snorted).
Thanks to rit, we stayed up all night and partied.
by D May 20, 2006
Retarded Institute of Technology
I go to RIT.
by Blake June 14, 2004
rit as in mashed out ur face..stoned..high.
omd..dat gyal luks butters wen shes rit.
by LAYDEE REDS March 17, 2005

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