A person who comes across as a nice guy, but is really a two-faced asshole.
Q: Is it nerve-wracking for you to do something like this? Or is it more nervous for you to box?

A: It's more nerve-wracking to be here talking to a rat piece of shit like you.

Phrase coined by former heavyweight champion Mike Tyson, in a Toronto television interview on Sept.10/14
by ironmike January 15, 2015
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Someone who is very superficial and only cares about vanity.
Yo that guy is only interested in peng 9/10s, when he’s nowhere near that. What a rat piece of shit.
by RatPieceofShite October 9, 2021
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