a very unattractive female; a way to pretend to throw up
"Look at that bach over there."

or

(Ugly girl walks by)
"BACH!!!"
by Kevon T November 7, 2008
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The only composers people know nowadays.
1: I like classical music. Know any composers?
2: Yeah, Mozart, Beethoven, and Bach.
by 116584 January 1, 2017
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An indian song made in 1998 by Panjabi MC It is although very bad, but in a way it's the best song that ever been made.

Whilst listening to this song, you will most likely don't understand a word, but you will have empathy for the people around you. The song is simply powerful.
Random guy: Have you heard Mundian To Bach Ke?!
Random guy2: Yeah, it's totally awesome!
by Aroun Ali Dauino March 20, 2017
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The best composer the bros have ever seen
Bro 1: Bro! Have you hear Brohann Sebastian Bach's new song?

Bro 2: Totaly bro! It was amazing!
by ocomon October 9, 2011
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Koon bache felestini is a Persian slang which means Palestinian Faggot who is underage. It is used to insult and even to call someone, for example :
Hey! Koon bache felestini!! (Greeting/Calling)
Look at that Koon bache felestini :/ (Insulting)
by USS Bastard February 21, 2020
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