When a player in any game chooses (on purpose) to not play their best. Normally this is because they are too superior, they want to hustle you, or they are too lazy to play their best with nothing on the line.

Also see sandbagging (verb form)
Can we play again?

And this time please don't sandbag.
by valoem June 25, 2005
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someone who slows you down either by their pure retardedness or by their unwillingness to cooperate.
Jason: Hey Joe! Quit being a sandbag and get your ass in the car before i come woop your ass!
by Auneeezy October 10, 2005
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(verb) To screw around or work on other things while you are supposed to be completing a task or working on something.
Bob looked to be a promising hire with his Princeton degree and impressive summer internships. But when his boss checked his internet use log, it was obvious Bob had been sandbagging up a storm: posting daily from work on his "Notorious B.O.B. in da hizzouse" blog and spending an inordinate amount of time on midgetporn.com.
by Nicholas D November 21, 2007
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Derogatory Naval Reserve term for any member of the Army Reserve.
He doesn't know what he's talking about. He's only a sandbag.
by Snake October 26, 2005
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another name for a surfer who spends all his time surfing and doesn't talk, think, or do anything else.
Surfer #1 "Hey, wanna go get something to eat?"
Surfer #2 "Must... surf..."
Surfer #1"Don't be such a sandbag. Why don't you get a girlfriend or something?"
Surfer #2 "Nah bro, cuz then she'd wanna spend time together with me. And I would wanna go surfing."
Surfer #1 "Sandbag"
by jusagenius August 11, 2009
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to abandon something, such as a beer at a party or an item in the wrong the location in a store
"i sandbagged a bottle of KY in the sporting goods 'cuz i was too embarrassed to buy it"

"don't sandbag that beer...it's an Old Speckled Hen!"
by ace bradshaw January 4, 2010
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When you leave an beverage container, usually a can, unfinished. The result is a can that carries a little weight on the bottom - thus, sandbagging. It's typically poor form to sandbag a beverage, be it beer or soda.
"Dude, those fucking GDI's just come to our party and sandbag all our Busch Lites!"

"Ian was pissed off when Mike would steal his Coca Colas and subsequently sandbag them."
by Steve Miller IV April 4, 2006
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