An adult male aged 25 or older that likes to hang out with girls (and in some cases, guys) that are tweens or teens for long periods of time, and even late at night. This is a little creepy, since most men his age like to party with adults.
EX1:
Hey guys, where's Jordan?

Oh he went out with his other friends tonight. He's a total tweeper.

EX2:
Guys, wanna grab a beer?

Sure, we can go, but it's tweeper night at the bowling alley so Jordan can't make it.
by jlc500k May 4, 2010
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A person, or persons, who creep friends, or strangers, Twitter profile in order to gain perspective into the person's life or just find someone to follow. If this is you then you are a Twitter-Creeper aka a Tweeper.

To Creep, is to secrectly and discretely view other people's profiles, blogs, etc without the person's knowledge.
by Mr. Kelleher February 22, 2009
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A car that's automatic transmition doesn't work, henceforth making it hard to handle.
"Damn, can anyone else give me a ride, I don't want to have to deal with Dave's tweeper..."
by TheMoses August 1, 2005
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