Born Sebastian Bierk, was lead singer of the heavy metal band Skid Row from 1986 to around 1995 when he was kicked out of the band.

One of the best metal singers ever.
Dude #1: wow that guy really knows how to sing
Dude #2: he's no Sebastian Bach
Dude #1: Sebastian who?
Dude #2: *shocked* wow dude, you deserve to die.
by RubyMoon April 20, 2005
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The funniest black man since Richard Pryor. He makes vines, and is one of the leading producers. His most famous ones include But that backflip tho, freestyle fail, I smack the man out of you bitch, and yo ma lemme get yo number. He has hilarious vines, and there is no one funnier than him. He is a legend.
I spent an hour watching King Bach's vines last night. Time well spent.
by 88888888888888888 November 6, 2013
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Bache kooni means a homosexual male who likes penis inserted into his anus. A bache kooni loves anal sex. But, the "bache kooni" person must be the one whose anus is penetrated by a penis.
Hey you "bache kooni"!
by John William Smith IV July 31, 2015
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When one is about to score with another person and then someone starts playing a song on the piano but doesn't finish causing you to ditch your acquaintance to finish the song
"I was about to score with this chick and then some dude cock bached me
by Michael Coscrocozcrov November 24, 2010
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A stoner who enjoys listening to classical music when high.
"Man, that Concerto for Harpsichord in G Minor is so fucking core. Dig it."
"Dude, you're such a Bach-head."
by MrXcitement April 16, 2008
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This is a definition used to describe someone who is an Atomic Blonde. Typically snobbish, and acts like a brat. Cameron Bach's are used famously known for being know-it-all's, and nobody really likes them. Also in conjunction with this word you can use "Bree".
Maya: Hey, did you see that know-it-all? They are SUCH a Cameron Bach}.
Eleftheria: I know right, we should definitely not talk to them.
by AubergineSuckAToe April 25, 2019
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“The most literal answer is the best”

Bach’s spoon is much like occams razor “the simplest answer is the best”. As he pulls out a big spoon as a witty reply to his friends comment “only a spoonful”. Bach acknowledges that a “spoonful” is only an abstract form of measurement therefore he subverts expectations by pulling out a large spoon. This spoon being full would drain the contents of the tub of ice cream due to its size. Bach can only come to this answer by pushing “spoonful” to its most literal definition. His friends language makes it so that Bach is able to exploit the agreement without voiding the terms of “a spoonful". Therefore making the most literal answer the best one.
"My doctor said I should limit myself to one cup of coffee a day so I employed the principle of Bach's spoon and bought a 32 ounce coffee cup".
by xucez December 2, 2020
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