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3.
osc
Ontario Science Centre.
Hey Fred! Wanna go to OSC tomorrow?
by MichelleX November 26, 2009
 
1.
OSC
One Scared Cracker
"Porter almost pissed himself when Don took him to 74th and MLK"

"Man he's a fuckin OSC"
by Forever Lawless March 03, 2010
 
2.
Original Stoner Crew. A group of people who get high all day and fight for marijuana to be legalized. A social club for teenagers or young adults who are usually looked down by older generation, they usually hang around at night and tend to run together commiting minor crimes.
Person 1: Yo. Skin up man!

Person 2: Yee bladd! Oi did you hear that Johny wants to join our O.S.C?
Person 1: Nah cuz, lil puss*es like him can stay and live their perfect lil lives!
by B_Town January 03, 2010
 
4.
Osc
A fuckin loon of a boy! Aka Adam, a ledge, funny, easy to talk 2!!
*Oscar ponchowdo!!*
Love u love Muv x x x
by Muv February 11, 2004