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1. mactor
short for "model-actor" - the people who live in Los Angeles trying to make it as a model-actor-whatever and appear on many reality tv shows...see also "attention whore"
Check out the new cast of Survivor, half of them are mactors this year.
2. mactor
one who has "game" or "mac's" breezyz, chicken headz, or skeeos,
He always gets da panties, he a fuckin mactor