phrase used in conjunction or in retort to"Shut the hell up" when "shut the hell up" has lost its profundity
Liam: I was like working on my thesis the other day and I found out that Germany used to be a military state.

Peter: Oh yeah? I found out by working on my thesis that Germany wants you to SHUT THE HELL UP!

Geoff: Actually I believe it was Carl Philipp Gottlieb von Clausewitz that said WHO THE HELL CARES!
by neolutum January 30, 2011
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A Kentucky phrase used to universalize the following (often moral) assertion.
by nolangray January 19, 2012
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Used by Peter Griffin. A girl talks about her Malibu Stacy doll, according to Peter, but nobody cares about it.
I will be using: OMG instead of Oh my god in Oh my god who the hell cares, because of the way he said: Oh my god. It was like a teenage girl would on sweet sixteen or on the on the internet. Just imagine it.

"This is my Malibu Stacy doll, she comes with a comb and an extra dress !"a young girl exclaimed happily

To which peter replies, "OMG Who the hell cares ?"
by TakaD August 16, 2011
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another phrase for "dude shut the hell up" or "I DONT GIVE"
Teacher: so when we mix these two liquids, they create a new colour and so that mixes up the colours..."
guy: OH MY GOD WHO THE HELL CARES, DUMBASS
guy 2: oh my god who the hell cares
by i like urbandictionary October 8, 2011
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