The next, next, next level of the your mum, your face jokes. THE ULTIMATE TRUMP. It means a win no matter what...
Person 1: You suck
Person 2: Your face sucks
Person 1: Your mum sucks
Person 2: Your mum's face sucks
Person 1: Your Aunt Sally Sucks
Person 2: I don't have an aunt sally
Person 1: you do now
*progresses into full scale riot*
Riot Police: In the name of Aunt Sally Stop
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Random: WhO tHe HeLl ArE?!?!?!
Me: Your aunt sally
by Sally, Aunt Sally November 26, 2008
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