Milking meaning : To express milk from (a mammal, especially a cow). To draw (milk) from the breasts or udder. To express any liquid (from any creature). To make excessive use of (a particular point in speech or writing, a source of funds, etc.); to exploit; to take advantage of (something). (of an electrical storage battery) To give off small gas bubbles during the final part of the charging operation. To single-mindedly masturbate a male to ejaculation, especially for the amusement and/or satisfaction of the masturbator/trix rather than the person masturbated.