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.
[mid-19C] impudent, cheeky.
1. (also give lip, give some lip) to be cheeky.
2. (Aus.) to speak out loud.
[1900s] to be cheeky.
[mid-19C+] don’t be so cheeky.
SE in slang uses
[20C+] (US) oral sex.
[1910s–50s] (US) a very short cigarette butt.
(US) a moustache.
[late 19C] (Aus.) insincerity.
1. [1990s+] slangy speech.
2. see lip action
1. [1960s] (US) of a lesbian, to perform cunnilingus; thus lip reading n.
2. [1970s] to kiss.
[1970s+] (US black) a moustache.
[1910s] (US) a moustache.
[2000s] (S.Afr. gay) a lesbian.
[1970s+] (US) to indulge in passionate kissing.
see beat one’s gums v.
see under dance v.
[1970s+] (US black) to keep quiet, to maintain a secret.
[mid-19C] (US) to be quiet, to stop being impertinent.
see shoot off one’s mouth under shoot off v.
[1950s] (US black) to talk rudely, aggressively.