1 definition by Joe_Friday

One, usually a large female, who has developed flabbiness in the upper arm area, in extreme cases with cellulite. In lesser cases, an otherwise regularly-sized girl may suffer from mampy arms, and this can sometimes be a dissuading factor when judging a girl's overall attractiveness.
"That girl's all right, but she's got mampy arms, man."
by Joe_Friday January 27, 2007
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