Top Definition
What a person is called when they have big ass thighs, the king of all thighs. Even larger than thunder thighs.
Dave: Check out the thighs on that hoe! Those are the biggest I've ever seen!

Bob: She has the king of all thighs; that bitch be a Thighrannosaurus Rex!
by brandon2k9 August 10, 2009
9 Words related to Thighrannosaurus Rex

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