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1. slow-cooked roast beef usually served with peppers or giardinera on italian bread, sometimes dipped in gravy. Has nothing to do with Italy, but very popular in Chicago. Not to be confused with Philly cheese-steak.

2. a complaint or argument offered by an Italian-American.

3. the penis of an Italian-American male. see italian sausage.
1. When I go by my ma's I always get italian beef.

2. My sister-in-law always has some italian beef.

3. I got your italian beef right here.
by Joe Bone March 11, 2005
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Aug 11 Word of the Day
A phrase to describe someone who is cognitively degenerating. Synonym of "going off the deep end". Can have varying degrees of severity.

Reference to the song "Hey You" by Pink Floyd. The line "and the worms ate into his brain" makes no sense in an otherwise linear and literal narration throughout the lyrics.
"My boyfriend has a total case of brain worms. He told me the cat was bugged so the Feds could listen in on us having sex..."

or

"You totally stumbled over that entire sentence. Can't speak English all of a sudden? What, do you have brain worms?"
by _Jez_ October 03, 2009
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