22
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 04, 2006
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23
When you go to your dealer for a bag of weed and you get NO BUDS. It's all shake & seeds.
I can sell ya some weed but all I got are these 'sandbags'. No buds.
by Dabnis January 25, 2011
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26
Under an assumed name in a tropical region, you meet a young hottie and engage in the well-known clichΓ© of "sex on the beach". Just before insertion, remove the rubber (without getting caught of course), and proceed to bang away until you blow your load, without pulling out. As you dismount and prepare for departure, grab a handful of sand, throw it in her eyes, and run away laughing hysterically while leaving her blinded, butt-necked, and knocked up. Especially lots of fun when accomplished during the spring break season.
"On my vacation to Hawaii next week, I plan to sandbag as many fly bitches as possible. Those hoes don't know what I've got comin' for them."
by Carlie B. February 16, 2007
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27
jerking a load onto a girl so that if she was hypothetically on fire she would be put out.
Oh James i totally sandbagged that bitch last night!
by BigJakky January 12, 2011
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28
When a guy wraps sandpaper around his ballsack and then t-bags the womens anal cavity...
he gave his gf a sand bag for not sucking his cock
by cockmaster223 May 24, 2009
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