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User who posted first on "Portal Mari0 Game Demo - By" on youtube. Spawned the meme xJammi is "something".
xJammi is getting slammed in the head tonight.
by Kjevo October 12, 2011
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A kid on IGN who is the opposite of Chuck Norris. Instead of everyone talking about how awesome he is, everyone talks about how much he sucks ass.
Guy 1: xjammi is a guy, but he has a vagina and a not even a big vagina, it's tiny.

Guy 2: xjammi has never had a conversation with anyone before because he's so pathetic, people don't want to speak to him.
by AnIGNer October 12, 2011
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