To ask someone to keep their egos in check.
Dude: Man i'm looking guuddd today.
Me: Dude, clam your tits, seriously.
by Noel K July 13, 2011
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When a woman puts on a push up bra and it pushes her "tits" together
Yo man look at how close her tits are in that push up bra. (Clam your tits)
by timdaddy125 May 26, 2020
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