Top Definition
extremely energetic or snarky person all hopped up on caffeine. may be annoying. may be slightly crazy. may be pitching a fit, or working fast and furious. may be the next new legal defense, following the "Twinky defense."
1. Slow down on the espresso shots before you start getting all coffee postal !

2. Are you ADD or coffee postal?
by tenzen January 02, 2009

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