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1.
The act of getting an unfinished hand job orhanny from a girl in her Grandmas conservatory.

To get the full experience you must still have the boner from the "finne" when you tell your friends what happend.
J-jay: I got a hand job from a girl at a party last night in her grandmas conservatory
James: Oh god you got a finnie!!!!
by bigmin February 01, 2012