Derogative for "gay" (like faggot). It is used also, between (
male) friends, in the meaning of moron, asshole or similar, transmitting anger or
disappointment for
something, or just to mock.
(Una ragazza a un ragazzo che non
la bacia):
Ma che sei frocio?
(A girl to a boy who does not kiss her): But what are you, a faggot?
(Tra amici): 'Sto frocio non m'ha passato le risposte
dell'esame!
(Among -male- friends): This asshole didn't give me the exam's answers!