Derived from "finocchio" or fennel, a derogatory term for homsexual or gay, i.e., people that wiseguys feel nervous around.

Can also be spelled Fanook.

Mario is a fudge packing finook.

Vito Spatafore, played by Joe Gannascoli, on the Sopranos is called a finook by the rest of the mob.
by Darclyte May 3, 2006