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Person who thinks they're good at tennis, but actually suck balls. Trolio's are recognised as people who attend ITF tennis tournaments and lose all their matches to love. Other redeeming features include; Gay, greasy hair, shaved legs, and a huge pointy nose.
Lleyton: Hey who's that dude who thinks hes good but sucks balls?

Federer: Man he's just a TROLIO
by mr. durp January 07, 2005