A person who loves knees, or who has a fetish for human knees.

From the Greek GONATOs + PHILE, "Knee" and "Lover of."

Not to be confused with "gonad."
- "Suzy's dress was too long, I couldn't see her knees."

- "What are you, some sort of gonatophile?"
by al-in-chgo September 28, 2015
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