A mop top allstar is a woman who is extremely good at giving blow jobs, and has been elevated to the Allstar roster.
Dan - "Damn, that girl is so busted! What were you thinking?"

Tom - "I know I know....but she's a mop top allstar dude!"

Dan - "Oh...well that makes a whole lot more sense now."
by A$$holius March 27, 2015
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