(dating) A prescheduled phone call to another person who knows where one is and who one was going out with. A missed check-in (or using a pre-arranged code phrase for danger) signals one's contact person to call for help.

(finance) An investment comprising two parts: (i) long stock, and (ii) short call option. It is an income-oriented strategy that is conservative in nature. The investor hopes to earn the time premium portion of the call option.

present participle of insta-call

(poker) A call made right after the last player bets or raises.

(poker) To call right after the last player bets or raises.

simple past tense and past participle of insta-call

plural of call boy

An unexplained absence from work, usually grounds for discipline, where the employee does not alert the employer of his absence ahead of time nor during the scheduled shift.

plural of no-call-no-show

A prank call.