A lage flabby tricept extending beyond the elow.
Her shirt sleve ripped because of her massive trelbow.
by Chris November 9, 2004
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When someone has three elbows.
- "Look at that dude over there! He has a trelbow!"

- "Oh that's just Vincent, he's famous for his incredible trelbow."
by MommyBooba April 21, 2022
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