Green’s Dictionary of Slang

mack n.2

also mac, maq, maque
[early 15C–mid-17C SE mackerel, a pimp, pander or procuress, ult. Fr. maquereau, a pimp + ? Du. makelaar, a broker; note Larchey Dict. Historique (1878): ‘In the Middles Ages the word macque signified vente, the profession of a merchant. From this came maquerel and maquignon. The maquereau is nothing more than a merchant of women’]

1. [20C+] (US Und.) a pimp.

2. [1940s+] (US black, also the mack, mack talk) seductive, persuasive talk, spec. the ‘chat-up’ line used by a pimp to recruit a new woman.

3. [1960s+] (US black) a clever, influential person, a smooth operator.

4. [1990s+] (orig. US teen) a person who deceives or tries to charm a member of the opposite sex with seductive words; a successful seducer.

In derivatives

mackdom (n.)

the world of smooth-talking, successful people.

In compounds

mack daddy (n.)

see separate entry.

mackman (n.) (also mac man)

[1950s+] (US black) a pimp; thus hard-mack, a pimp who rules through threatened or actual violence; sweet mack, a gentle pimp who prefers to use charm.

In phrases

get the mack on (v.)

[2000s] (US black/campus) to make a pass at someone.

make mac with (v.)

[1960s+] (US black/campus) to flirt, to pick up a woman.

put the mack down (v.)

[1990s+] (US black) to act in a smooth, sophisticated manner, reminiscent of the idealized pimp.

sweet mack (n.)

[1960s–70s] a pimp who treats his women well.