Your Mom!
During an argument, one can use Your Mom! to turn the tide in his/her favor. Used only when you know that you can't possibly win the fight with an actual reply. Also note that your oppenent can cancel Your Mom by repeating it after you.
Todd:...And that's why I'm right, Chris.
Chris: Yeah...but...your mom! Oh! It's on!
Todd: Oh yeah? Your mom too! Burn!
Chris: What? No, you can't do that! NOOOO!
Chris: Yeah...but...your mom! Oh! It's on!
Todd: Oh yeah? Your mom too! Burn!
Chris: What? No, you can't do that! NOOOO!
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