Top definition
A commodore from Star Trek that went mad and lost his mind after he encountered a giant alien robot planet killer thing that ended up crippling his ship and killing his entire crew.
Finals week always makes me turn into Matt Decker.

The test Matt Deckered me.

That bitch was crazier then Matt Decker.

You look like Matt Decker; don't you know how to shave?
by CaptKirk April 29, 2010
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