Green’s Dictionary of Slang

lip n.1

1. as communication.

(a) [19C+] cheek, impertinence.

(b) [1920s+] (US) a lawyer, esp. in criminal practice [the concept of ‘talking back’ (as in cheekiness) in defence of a client].

(c) [2000s] lies, deception.

2. in musical contexts.

(a) [late 19C+] (US) musical ability, esp. as a player of brass instruments.

(b) [1980s] a brass player.

In derivatives

lipish (adj.) (also lippish)

[mid-19C] impudent, cheeky.

In phrases

give it lip (v.) [early 19C+]

1. (also give lip, give some lip) to be cheeky.

2. (Aus.) to speak out loud.

have a lip (v.)

[1900s] to be cheeky.

less lip (also none of your lip)

[mid-19C+] don’t be so cheeky.

SE in slang uses

In compounds

lip action (n.) (also lip dancing, lip music)

[20C+] (US) oral sex.

lip-burner (n.)

[1910s–50s] (US) a very short cigarette butt.

lip canopy (n.) (also lip brow)

(US) a moustache.

lip-loyalty (n.) [SE lip service]

[late 19C] (Aus.) insincerity.

lip music (n.)

1. [1990s+] slangy speech.

2. see lip action

lip read (v.)

1. [1960s] (US) of a lesbian, to perform cunnilingus; thus lip reading n.

2. [1970s] to kiss.

lip rug (n.) [rug n.1 (1)]

[1970s+] (US black) a moustache.

lip service (n.)

[1960s] fellatio.

lip shield (n.)

[1910s] (US) a moustache.

lip squeezer (n.)

[2000s] (S.Afr. gay) a lesbian.

lip wrestle (v.) (also mouth wrestle)

[1970s+] (US) to indulge in passionate kissing.

In phrases

dance on someone’s lips (v.)

see under dance v.

keep a stiff lip (v.) [SE keep a stiff upper lip]

[1970s+] (US black) to keep quiet, to maintain a secret.

keep one’s lips at home (v.)

[mid-19C] (US) to be quiet, to stop being impertinent.

slip with the lip (v.)

[1950s] (US black) to talk rudely, aggressively.