Canyon Chested

A girl who who has tiny tits theyre so flat that its like a canyon.
AKA negative bra size
Woah, your tits are so small, you canyon chested
by jessr94 June 14, 2009
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canyon chest

A person that has a dent in their chest that resembles a canyon and people can play games with it.
Ryan, do you think someone can eat cereal out of your canyon chest?
by Mike Ferg February 14, 2007
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