Top definition
Used as a verb, it means to seriously fuck someone up, man.

As a noun, it can be used interchangeably with sandwich, as long as you are talking about a highly luscious sandwich.
Man, I smammaged your ass in AOK:TC last night.

or

I eat my smammage with lots of mayonnaise.
by big G February 06, 2004
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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