Top Definition
Acronym for How Much A Month. Typical lower class people with questionable credit ratings don't care about loan term or interest rates, all they care about is How Much A Month it costs.

Can also be used as an verb in other situations.
My white trash neighbors just HMAM'd a new camper and boat.

I HMAM'd some new tires on my Sears card.

I'd HMAM the shit out of that blond chick for sure.
by stomperxj August 22, 2008

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