(n)An unflattering slang term for a squirrel.
Penn State campus is overrun with fat, fearless tree rats.
by Heptune May 11, 2005
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More commonly referred to as a common squirrel.
1) The ugly tree rat immediately grabbed the nut and ran.

2) The tree rats were all around the bird feeder.
by Alan G May 26, 2006
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derogatory term for a monkey (not apes )
Oh, look at that little tree rat twitch at 33 seconds.
by Default_User May 22, 2017
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Why would you allow a Satan’s Tree Rat climb on your dinner table, right after they use their litter box?
by thefarmersson November 8, 2023
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