üvölt/ordít, mint a fába szorult féreg = cries like the vermin stuck in the wood; when someone screams very loudly, usually unnecessary. The vermin (= féreg) in question is a wolf, the wood is a certain type of trap, which if catches a wolf, that would probably howl very loud.
farkasordító hideg = wolf screaming cold; very cold
farkastörvény = wolf law; basically lawlessness, might makes right.
farkaséhes = wolf hungry; hungry like a wolf, very hungry
farkasétvágy = wolf appetite; sames
Also the common name for nyctalopia is farkasvakság = wolf blindness.