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1.
an expression basically saying to "calm down" but in a more jokingly insulting manner, including the phrase "your mom". If someone says something really dramatically, that you can say "your mom" to, you can basically say "calm your mom".
Girl: "OMG that spider is UGLY."
Me: "Dude, CALM YOUR MOM."
by calmyourmom101 January 20, 2013