Top definition
a street drug known to produce strong sexual desires and often lead to indecent exposure in public.
Kathryn: yeah last night I did a few line of Katy R...
Grace: well that explains a lot, I saw you running naked down Rose-Ian Street.
by i be watchin' Gossip Girl December 28, 2008
Get the mug
Get a Katy R mug for your buddy Rihanna.