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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When you're tricked into doing something because you weren't given all of the information you needed to make a good decision.
Naris sandbagged me when he asked me to cover for him while he went on vacation. He knew he was quitting as soon as he got back and I'd get stuck with a matter that was a freakin' disaster.
by Victim or the crime July 4, 2012
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Knocked down or bowled over by a nasty or disparaging comment from someone you thought you could trust, with damage to your reputation or prospects.

Here’s the image: Two or more friends are tossing light objects to one another, and you get used to catching them easily. But then your “friend” tosses you a heavy sandbag, propelled with some force. You try to catch it, but it’s way more than you expected, and it knocks you flat on your back. You feel like a fool for being knocked over and for trusting that person in the first place.
Example: I thought I was OK with him - I even thought we were friends - but then he sandbagged me with a nasty comment, in front of people who are important to me.
by Getting_More_Cynical October 24, 2011
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When you work in sales, you don't post your production till the next day or the following month when you're toward the end of the month, to get a head start on everyone else in your office.
Me: Sam, I got 4 deals sandbagged for next month, I'm gonna beat everyone next month.
Sam: sand-bagger, I'll still beat you in production.
Me: good luck trying to catch up to me dude.
by K aka chris October 30, 2010
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The act of embarrassing someone by making them look foolish or stupid in front of a large group of people.

Usually it is unintentional or by accident. it can either be a dick move or the person is completely overreacting

first coined in the robot chicken star wars
BJ- (to a group of females) Yeah i'm the vocal coach for the band. I taught them everything they know.
Jay- no you're not dude, aren't you a janitor?
BJ- why did you have to sandbag me in front of those girls man? i was gonna get some!
Jay-what are you talking about? what does "sandbag" even mean? they were out of your league anyway
BJ- You're a total sandbagger man...
by T. Press January 22, 2010
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In the game of draw poker, a player who has a pat hand and will not raise any bets hoping that his opponents will think he has a poor hand.
Larry had a straight flush and sandbaged till the end.
by Dan Drzewiecki November 5, 2003
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Verb
Humiliating someone in front of a crowd or a group of people

Look up “sandbagging family guy
My AP Calculus teacher sandbagged me in front of the whole class again because I turned in my homework unstapled. He made a 2 minute point about “me helping him for him to help me
by I let my nuts hang September 22, 2018
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