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1.
drugs you find on the ground at a concert/event, club, house party, etc
Man, Brad is really tweaking; I think that ground score he railed was K
by squid68 December 30, 2011
 
2.
adj. anything cool found on the ground
v. the act of finding something cool on the ground
One lucky night she groundscored a suitcase full of gay porn.
by rockass May 20, 2003
 
3.
Verb-finding something of value on the ground.

Noun-the item found on the ground.

Groundscores are not stolen items--they are typically items that have been misplaced and lost.
"I groundscored a digital camera today"

"This groundscore has to be worth at least $50"
by Ryan Meier February 26, 2007
 
4.
something found on th ground, often at th close of festivals or during party cleanup.
I just groundscored a $20, can you believe it?!
by Lizzo42 June 24, 2010
 
5.
Killer D.C. area band, has played all over the country. Mellow, ska, reggae, punk, rock, and just over all good band. Has an amazing new sound. The kind of stuff you would expect to hear in a skate or surf shop. They are really worth looking up. Their demo CD's can be found in a lot of DC area skate shops.
"Dude did you hear that Groundscore sampler I got down the the board shop?"

"Yeah dude those guy will be famous in less than 5 years for sure"

"Yeah dude they're like 311 meets The Clash"
by JimiZ November 02, 2011
 
6.
Stuff found on the floor after a concert.
Dude I found twenty bucks and I saw a bunch of other ground score, but they kicked everyone out.
by Chris December 16, 2005
 
7.
something you find on the ground that makes you so happy that you yell out "SCORE!".
"dude i just found such a nice blender on the curb! GROUND SCORE!!!!"
by fishmanofcod April 08, 2009