A person who takes the fun out of absolutely everything by being extremely whiny, annoying, bitchy, moody, strict, uptight, etc. People who are like this are a real drag.
Guy 1:We were having a blast mattress surfing behind my bro's 4 wheeler until our neighbors came out and screamed at us.

Guy 2: What a bunch of funsuckers!
by SupaC November 24, 2010
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somebody who sucks the fun out of anything.
The funsuckers have ruined halloween with their irrational fears.
by MacQuarrie December 5, 2003
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someone or something that sucks the fun out of everything
Man, Kelly is a real funsucker! She told us not to have alcohol at the party or she would call the cops!
by S@nt@n@ April 14, 2010
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One who sucks the fun out of situations.
Allison is a funsucker.
by mahu_55 May 5, 2005
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To destroy all semblances of fun in a given situation, especially traditionally pleasurable events, such as parties; the opposite of funseeking.
God, when she gets to this party, she's going to funsuck it up like an Oreck vacuum.
by meryl smith October 18, 2006
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1. One who is exclusively parasitic in his or her relationship with banter; 2. someone unable to maintain any form of symbiotic relationship with banter; 3. one who cannot sustain his or herself on his or her own banter and requires the energy created by others to get by.
Person A: "I went to Paris at the weekend."
Person B: "Really, that's cool! What did you do?"
Person C: "I went to Spain once and it was better than France."
Persons A + B: "C, you are a funsucker, my friend."
by Riddledeedum February 22, 2013
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