1 definition by guangaun

1)A derogatory term for someone who can't stop trying to get with the opposite sex.
2) One who is constantly "macking that ass"

Synonymous to flirt, but with negative implications.
Eric: I'm so sad that my love Sally has become attracted to that new guy Brandon.
Kevin: That's not the only girl Brandon's going after. He's a mackaholic
by guangaun October 12, 2008

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