cold deck

From the metaphor that the deck (of cards) is cold, in the sense "heartless, emotionless"

cold deck (plural cold decks)

1. (poker) A hand where two or more players have very strong hands and one or more of them loses a lot of chips despite the strength of the hand(s) involved.

• cooler

cold deck (third-person singular simple present cold decks, present participle cold decking, simple past and past participle cold decked)

1. (nonstandard) To inflict a cold deck situation on an opponent.

• Almost always used in the passive voice to be cold decked.