pollice verso

[ pohl-li-ke wer-soh; English pol-uh-see vur-soh ]
/ ˈpoʊl lɪˌkɛ ˈwɛr soʊ; English ˈpɒl ə si ˈvɜr soʊ /

adverb Latin.

with thumbs turned downward: the sign made by spectators calling for the death of a defeated gladiator in the ancient Roman circus.