When a person is overreacting in a situation where it is completely unwarranted, one can be told to settle their tits. A phrase used to let someone know that they need to settle down.d
A - What the fuck ref?! Crosby's being a pussy!
B - Dude, settle your tits. Giroux's gonna knock him on his ass.
B - Dude, settle your tits. Giroux's gonna knock him on his ass.
by Briere48 September 10, 2012
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