Top Definition
a suck is short for suckle up. like a suck up.
kane:You are "a suck!"
abel:What does that even mean?
kane:it means you are a suck which is short for suckle up, you are suckling up to god...

-Year One(2009)
by rollercoasterkid April 14, 2010

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someone who brings a joke down and who ruins the moment

also can be reffered to as a debbie downer in some situations.
Sometimes someone acting in a douche baggy manner
Spencer is such a suck, he's a fun ruin-er
I wish Spencer would stop being such a suck
Really? You had to delete that post. You're such a suck it was funny!
You don't want to come help me clean up because you're tired? Urg you're such a suck!
by Karlthinksyou'reasuck October 16, 2011

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