Top definition
An online troll. Normally appears as a Wicked Witch but is known to undertake other pseudonyms to protect himself/herself from forum users.

Most threads begun by a Jaseparty end in Epic Fail, mainly due to the persons lack of basic intelligence.
"Hey man, did you see that Jaseparty?"
"Yeah, Epic Fail"

"I'll show you a f**king Jaseparty"
by 1m|N0t|Fr8991e April 01, 2009
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The vengeful act of crapping on a lover's chest while they sleep.

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