What does "feed the fist" mean in gay sex?

What is feed the fist?

Another of many terms, denoting a person's need to masturbate, to achieve ejaculation. Used to imply a sense of need, of possible urgency as well, in getting off, in cumming.

Definition

Another of many terms, denoting a person's need to masturbate, to achieve ejaculation. Used to imply a sense of need, of possible urgency as well, in getting off, in cumming. Other terms, not as popular, include: Feed the spunk o meter, Feed the stick, and even Feed the ducks.