The act of getting jerked off by four women at once.
Bro, these chicks Four Armsed me last night.
by RedneckGamer January 26, 2015
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When your arm is so fat you can't see your wrist.
Wow her four-hundred arm is really big! Where doe she shop for bracelets?
by Peggy Smokerlung April 18, 2017
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