A capper broke into my car last night and took my GPS.
by liquidassnotice January 13, 2009
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Derivation: night cap

When the bar is closing and you gather all your people together and head to one of their houses to keep drinking and mess the place up, that is a capper. Also known as an after-party.
Q: Hey man, where's the capper at?

A: I dunno man, I think Dave's, he's got booze.
by Gilmour93 October 22, 2008
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(1) One who writes captions to screengrabs on the Scifi channel website.
(2) Anyone who writes captions to photos or screengrabs online.
(3) The elite of the MST3K fans.
Some legendary capers include gray zombie, glitterrock and jondapicam.
by jondapicam November 5, 2003
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A girl who invites a girl over to her place and nothing happens.
Man, don't even talk to Jennifer. I went over there last night and nothing happened. She's a capper.
by sugeknight February 19, 2008
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yvnggtony
Damn dude did you hear yvnggtony today. He’s such a capper🙄
by quackers0522 October 21, 2021
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In fansubbing, a person who captures audio and video directly from a television broadcast and saves it to their computer to later be downloaded by a fansubbing group. Most cappers are located in Japan, since they have easier access to anime broadcasts there.
We need a new capper to replace our old one or our fansubbing group will have no video to sub.
by Mr. Calculator July 30, 2009
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