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33.
4 hits of LSD on paper that usually have not been cut by scissors into individual hits
Don't handle the quad with your fingers or else you will absorb some of the LSD and reduce the strength of it. Use tweezers!
by ponte September 10, 2006
33 37
 
1.
A quarter of an ounce (two eighths) of marijuana.
Yo, hook me up with a quad for $75
by Blenk Master Flex September 26, 2003
791 215
 
2.
Noun: British public school and university slang for the square open meeting place enclosed between the school or college buildings. Short for 'quadrangle'.
"Cricket practice starts at 2:30 so I'll meet you in the quad at 2:15."
by Kilkrazy July 01, 2004
392 244
 
3.
Term referring to a 4x4 dirt ATV (all terrain vehicle).
by Joshiro007 March 08, 2003
328 210
 
4.
A four man multi-kill in the infamous game of Call of Duty. A full orgasm is only achieved if this is done with a sniper rifle, which will cause one to soil themselves and repeatedly try to mimic Operator Perry as well as worship Grizz. Screams of fanboism usually follow.
I think I'ma go for that spawn snipe...QUAAAAAAD!!!!! {jizzes now}...HOLY S#1T!!!!...quad!!!!...oh grizzz....grizz.....
by xCrodx September 10, 2010
241 142
 
5.
Muscle group in the legs composed of 4 different muscles. Look best when striated and HUGE (30+ inches)
Tom Platz's quads don't quite belong on a human...
by Rahul Yukich February 11, 2006
54 18
 
6.
A slang term originating from the video game Mass Effect 2 that is used in the same context as balls.

In Mass Effect's setting, the term "quad" refers to krogan testicles, due to the fact that they've got four balls.
Matriarch Aethyta: Ha! Kick him in the quad! Sorry, my father was a krogan.
by flashn00b April 13, 2011
54 23
 
7.
The percussion insturment consisting of 4 drums, two large, two small, all smaller than a snare.

The players of these, also called tenor drums, are normally the most arrogant people in marching band.

When you're getting into a block to start marching watch out cause most quads WILL take you out. Same as bass drums
Normally have the lead drum parts, most important percussion instrument when playing street beats/cadence
Also the only percussion sections that put their harnesses under their jackets
Kent: Quads comin through!
Everyone else: watch out!!!
by maryse August 29, 2009
39 22