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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.
"Billy-Ray's attempt to buy alcohol with a fake i.d. was hampered by his high-pitched voice, his short stature and his ham which, when viewed from a distance of greater than a foot, appeared less like a mustache and more like a slight smear of chocolate milk."

Billy-Ray: "How-do, lovely lady? In addition to this bottle of MD 20/20, I'd like a pack of Lucky Strikes, please."

Cashier: "May I see your i.d. sir?"

Billy-Ray: "Sure thing, doll."

Cashier: "Listen, Magnum P.I., you're not fooling anyone with that pitiful ham! Got Milk? Get the hell outta here before I call the cops!"
by dorianX January 25, 2009
Acronym for Hard As a Motherfu@#r
That dude be straight goin' HAM on dem fools.

Holla, I'm about to go get HAM on these boys.
by LW2 February 11, 2010
going balistic on someone:flippin out:fuckin someone up
That nig went HAM on that bitch!!!
by Z.S. April 04, 2008
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
hard as a motherfucker

We went ham last night at the club.
by klilbit March 05, 2010
Cured pig meat.
by Yummy October 08, 2003
Hard As a MothaFucker.
Made famous by the new single by KanYe and Jay-Z.
Bro I am going straight H.A.M

What the fuck does that mean.

Hard As a MothaFucker!!!!
by MaLDo12 January 11, 2011
Hard as a motherfucker
I'm about to go H.A.M. Hard as a motherfucker
by cdogggggggg January 11, 2011