When a female trys to intervien with another female who is trying to hook up with some bro. a.k.a. Girl version of cock blocking.
guy 1: " yo this girl is all on my D"

guy 2: " oh truee. get that nut!"

guy 1: " Bro, im trying but this other hoe keeps interviening, shes being such a twat swat! "

guy 2: Ohh definate Twat Swatting!
by Shaunbee/ B.D. / Dane Cook February 4, 2009
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Phrase quoted by famous stand-up comedian Dane Cook in "ISolated INcident"

The equivalent to the male "Cock Block," in which a female accompaniment creates the imposibility of her female friend to "get lucky" with a possible male interest. Done so by intentionally saying something completely irrelevant and embarassing. Commonly takes place in social gatherings.
Jane: So what do you like to do for fun, Billy?

Billy: Well I like to...

Jane's Friend: Sorry to interupt! So, Jane, how's your AIDS?

*Awkward Silence*

You've been Twat Swated.
by SaraBeez May 18, 2009
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The female version of cock blocking, where a female try's to hook up with a man, but has her chances blown by a friend, who usually is fuck-face.
Female 1: OMG! NANCY! That bitch Susie totally twat swatted me when I was trying to talk to this amazing guy last night!

Female 2: What a twat swatting cunt! Lets get our nails done!

Female 1: OK!
by LilMissKrissyX3 June 30, 2009
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to prevent your female friend from receiving sexual pleasure from another.
"She could not get rid of her roommate all night, what a twat swat!"
by k.sweezy June 11, 2009
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The female version of the cock block, the act of one female swooping in on the possible hookup of another female
I was talking to that guy at the bar, and when I came back from the bathroom that biotch had twat-swatted me!
by dave.g August 7, 2006
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female version of cockblock, female who stops other females from hooking up
Let me sleep with him, don't "twat swat."

I was totally going to do that guy until my friend Emily stepped in and "twat swatted" me.
by a2coyote January 14, 2010
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We were making out in the back room and Ashley kept twat swatting.
by Z3RO26 April 2, 2008
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