Abbreviation for "half-assed mustache". When someone with very little ability to grow a mustache nevertheless attempts to do so and ends up with a faint line of upper-lip hair. Usually found on pubescent males. Often a sign of the wearer's insecurity concerning his own masculinity.
"Anticipating the arrival of her blind-date, Tammy envisioned a dashing, debonair Southern gentleman - a well-coiffed, mustachioed Rhett Butler - however, her hopes wilted like day-old daisies when she was picked up by Wayne in his uncle's Camaro wearing a muscle-shirt and sweatpants complementing his newly-grown h.a.m. and a luxuriant mullet."
by dorianX January 25, 2009
When a person is unstoppable or just in the zone in any type sport or competition setting; It can also be defined as going crazy and buying up everything in a store; or even doing something beast like
I went ham on Tyrone out on the court yesterday; I went ham in the Gucci store earlier today; Damn you went ham on them wings
by Nick "The Coach" Charles April 09, 2008