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Your last name. Called this because gym teachers usually only use your last name when calling upon you.
Gym Teacher: Okay, I need Johnson, Anderson, McClain, and Alderman front and center!

Student 1: Ugh, I wish he would stop using our gym names.

Student 2: Yeah, my mom didn't name me Kaleb so this douche could call me Cooper.
by Fuckhead617 September 25, 2008
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