cold call

Meanings

1. A sales call either by telephone or personal presence, made without a referral or without preparing the recipient of the call.
2. A call of a bet and one or more raises made by a player who has not already contributed to the pot in the current betting round, usually with further action from the original bettor or raiser yet to come.

1. To call someone without preparation or referral.
2. To make a cold call.