When someone or something is both shitty and petty in equal parts.

An action that is malicious, childish and retaliatory.
Friend 1: "Someone took my package of 4x4 lined sticky notes from my desk at work today. I am pissed and shocked that someone would have the balls to not only take one pad, but THE WHOLE package."

Friend 2: "That shit's mad shpetty!"
by barista August 2, 2018
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