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Someone who builds him or herself up with a bunch of talk, but can never back up anything he or she says.
"...and then I surfed down the volcano on a piece of scrap metal, while shooting indians and alligators with my bow and arrow. All of a sudden I saw this really hot girl stuck in a tree, naked, with a pack of hungry gorillas after her, so I swung from a vine and grabbed her, then I jumped onto a passing helicopter. But the helicopter landed in Iraq and Osama bin Laden started chasing us. He shot me but I reflected the bullet off the piece of scrap metal and it ricocheted back and killed him. Then I carried her across the border and all the way to France. Where we got a hotel room and I banged her. Indabutt."
"Shut up bitch. You're all talk."
by Nick D October 29, 2003
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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Someone who talks all kinds of shit but can't back it up.
This girl says she is going to kick my ass but has never been in a fight in her this stupid brawd who lives in clairton PA
by Sanchezgiver January 10, 2004
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A girl who acts as though she is very sexual but is not.
"Sure I'll come over later and we can do the hibbidyjibbidy"
Later that night...
"Oh, I can't come over tonight, My mom's boyfriend's sister's daughter is sick and I have to take her to the doctor"
by Kristen December 01, 2003
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( adjective ) Used to describe someone who talks shit about you (99 percent of the time over the phone or internet because they're scared) but avoids you and wont say it to your face.
Stephen said he was going to beat up Austin and talked shit about him for weeks over the phone, but when they met face to face he tried to become friends with Austin because Stephen is all talk.
by AustinatorSR August 14, 2009
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A setting in counterstrike when voice communication is sent to all players, not just one's team.
Geek 1: Dude, is all talk on?
Geek 2: yep
Geek 1: shit.
by Nick F. April 26, 2004
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