old man n.
1. of a male.
(a) [late 17C+] a woman’s husband.
(b) [mid-18C; late 19C+] (also man) the penis.
(c) [early 19C+] a father.
(d) [mid-19C+] (also old son) a general greeting or form of address given to a man (usu. one whom one knows), occas. to a woman.
(e) [1940s+] (Can./US) a boyfriend or lover, incl. a homosexual one.
(f) [1950s+] (US) a pimp.
2. [early 19C+] (Aus.) a mature kangaroo.
3. constr. with the.
(a) [early 19C+] (orig. US) any senior figure, the boss, a commanding officer; a headmaster.
(b) [late 19C] in cards, the King.
(c) [1900s–50s] (US, also Old Bloke) God.
4. [1930s] (US) a piece of piping used as a weapon.
1. [early 19C] wine.
2. [mid-19C+] whisky.
[19C+] of a woman, to make herself available for sex.
[19C] a phr. used of the penis, when erect.