Muscle groups that become especially developed with habitual shopping.
(After five hours of mall shopping)

Girl 1: Man I am so sore carrying all these bags for so long.

Girl 2: I know right - don't forget all that walking. We totally just had a workout.

Girl 1: Yeah our "mall muscles" let's get a real out out in tomorrow morning! Let's go for a run?

Girl 2: You are crazy girl.
by Tehefvriyoas January 2, 2014
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