a man, especially a bigoted or otherwise bootlicking one.

Variations include "ratbreath", "ratmouth", etc.
Some rateater got arrested for assault on the train today.

Men will see a rat and go "Is anyone gonna eat this?" and not wait for an answer.
by mockmind May 24, 2020
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A tiktok couple who've started to gain traction recently and quickly. Wholesome and cute videos but also weird ones idk
"Have you seen rateater's new post"
"Yes!"
by 12mincedmeat January 16, 2021
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