When one is required to perform
whatever the other person asks no matter when or where they are at the
time on call is said. Usually used to receive
head or anything that the person wants.
Dan called “on call” while he and his lady were having dinner at a upscale restaurant and she was required to immediately get on her knees and perform oral sex. The individual who is being told “on call” has only 1
minute to start
whatever task that they are being told to do.