| 1. | Hammer arm | ||
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When a male masturbates with one arm more than the other causing it to be muscularly bigger than the other one. Guy 1: "Yo whys your one arm so big son?"
Guy 2: "Ahh i got Hammer arm, i jackoff with my dominate arm more then the other one so it's just uneven." Guy 2: "Sounds like you needa switch it up a bit man." |
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