What is the meaning of Squeezer?

Someone or something that squeezes.

A piece of foundry apparatus for shaping a ball of puddled iron.

A playing card that has its value shown in a corner such that a closely arranged hand may be studied (originally designed for poker but now standard).

Someone or something that coerces; one who puts the squeeze on someone.

A hand job, an instance of male masturbation, or manual sex performed on a man.

Source: wiktionary.org