Top Definition
a person who continuously posts perfectly sensical, 140-character "tweets" on Twitter; a perfect post such as this is known as a "twoosh" (twoosh). the word borrows heavily from "twoosh" and "douchebag", hence, one who is a douchebag about twooshing.
My grandma died last night. The funeral's in 3 days.

@ Dude01 I'm sorry for your loss. If there's anything I can do, just ask. I know she meant a lot to you and I've been there. There, twoosh.
by takefakecake (a twooshbag) May 10, 2009
A twitter user that doesn't care about following anyone, just cares how many people are following them.
@hotdogsladies is such a twooshbag
by xsforis March 27, 2008

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