Green’s Dictionary of Slang

mouth n.

1. [mid-17C–mid-19C] a fool, a dupe; thus you are a mouth and you will die a lip, a general phr. of abuse/dismissal.

2. [late 17C–mid-19C; 1940s+] (also mouther) a noisy, talkative, boorish person; thus [early–mid-19C] rank mouth, an especially impudent person.

3. [late 19C+] cheek, impudence, verbosity.

4. [late 19C+] the dry, foul-tasting mouth that follows a night’s excesses; thus have a mouth on one, to be desperate for alcohol.

5. [1940s–60s] (US) a lawyer.

SE in slang uses

In derivatives

In compounds

mouth almighty (n.)

[19C+] a noisy, talkative, loud-mouthed person.

mouth artist (n.) [-artist sfx]

1. [1900s] (US) a braggart, an empty boaster.

2. [1940s+] (US) a talented fellator/fellatrix.

mouth bet (n.) (also mouth-betting)

[late 19C] (US gambling) a verbal promise of a bet.

mouth breather (n.)

see separate entry.

mouth diarrhoea (n.)

[1970s] the act of informing.

mouth fuck

see separate entries.

mouth half-cocked (n.) (also mouth half-cock) [fig. use of half-cocked, of a pistol that has the cock drawn back]

[late 17C–early 19C] a person who gapes stupidly at anything and everything.

mouth job (n.) [job n.2 (2)]

[1970s+] (US gay) fellatio.

mouth music (n.)

[1970s+] the practice of cunnilingus.

mouth-off (n.)

[1950s+] (orig. US) a braggart, a boaster, a chatterer.

mouth organ (n.) [puns] [late 19C–1920s] (US)

1. a spokesman.

2. the tongue.

mouth pie (n.)

[late 19C–1900s] feminine scolding, nagging.

mouthpiece (n.)

see separate entry.

mouth-talk (n.)

[1930s] (US black) impulsive or thoughtless talk.

mouth thankless (n.) [literary euph. coined by Sir Walter Scott (1771–1832)]

[19C] the vagina.

mouthwash (n.)

see separate entries.

mouthwork (n.)

[1950s] (US) bragging, boastfulness, empty words.

mouth-worker (n.)

1. [1940s+] (gay, also mouth queen) a fellator.

2. [1950s+] (drugs) one who takes drugs orally.

In phrases

all mouth and trousers (adj.) (also all mouth; all mouth and no trousers)

[1960s+] all talk and no action, a braggart, a fake.

dip one’s mouth in someone’s business (v.)

see under dip v.2

don’t let your (alligator) mouth overload your ass(hole) [alligator mouth under alligator n.]

[1960s+] (US) keep quiet, esp. in a difficult situation where words might complicate matters; the phr. is variable, ass often being prefaced by a type of bird, e.g. don’t let your alligator mouth overload your canary ass.

don’t let your mouth buy what your ass can’t pay for

[1970s+] (US) keep quiet, esp. when speaking might make matters worse.

don’t let your mouth write a cheque your ass can’t cash

[1960s+] (orig. US black) keep quiet, esp. when speaking might make matters worse.

give (it) mouth (v.)

[late 19C+] to be cheeky.

have a mouth like an abo’s armpit (v.)

(Aus.) to experience the dry mouth, furred tongue and disgusting taste that can accompany a hangover .

have a mouth like an Arab’s jockstrap (v.) (also an Arab’s arse/sandal/sandshoe, a Greek wrestler’s jockstrap, the inside of a Pommie’s jockstrap) [stereotyping]

[1960s+] to experience the dry mouth, furred tongue and disgusting taste that can accompany a hangover.

have a mouth like a (Turkish) wrestler’s jockstrap (v.)

[1970s+] to be severely hungover, suffering the effects of a heavy night’s drinking; also as one’s mouth is like….

have a mouth like the bottom of a birdcage (v.) (also ...a parrot’s cage) [the filthiness of the cage]

[1910s+] to be suffering the physical results of a night’s drinking; also as one’s mouth feels like...

have a mouth like the bottom of a cocky’s cage (v.) (also ...a cockie’s cage) [SE cockatoo]

[1950s+] (Aus.) to have a mouth that is unpleasantly furred, the result of excessive drinking.

have a mouth (on one) (v.)

1. [late 19C+] to be foul-mouthed or abusive; to be aggressively cheeky.

2. (Aus./Irish) to be thirsty; usu. as interrog. do you have a mouth on you? would you like a drink?

have one’s mouth full of pap (v.) [SE pap, baby food]

[late 18C–early 19C] to act in a childish manner.

hold one’s mouth (v.)

[18C+] to be quiet; usu. as imper.

in one’s mouth (adj.)

[2000s] (US prison) eavesdropping.

make mouths (at) (v.)

[17C-19C] to speak insolently (to).

make a wry mouth (v.) [the rictus of suffocation, ult. SE make a wry mouth, to grimace with disapproval]

[late 16C–17C] to be hanged.

mout-hab-nuttin-fe-do (n.) [lit. ‘mouth has nothing (better) to do’]

[1940sin+] (W.I.) a chatterbox, a malicious gossip.

mouth of nature (n.)

[mid-18C] the vagina.

mouth runs like parch benny (adj.) (also mouth runs like sick nigger takes salts) [Carib.E. parch = SE parched + benny, a form of sesame-based cooking oil, used in making sweets]

[20C+] (W.I.) a phr. used of an incessant irritating chatterer.

mouth that cannot bite (n.) [literary euph. coined by Thomas D’Urfey (1653–1723)]

[late 17C–early 18C] the vagina.

mouth that has no teeth (n.)

[mid-19C] the vagina.

mouth that says no words (n.)

[18C–19C] the vagina.

pass one’s mouth on (v.) [var. on SE pass an opinion/a remark]

[20C+] (W.I.) to slander, to speak rudely about.

poke one’s mouth off (v.)

[1970s+] (US black) to lose one’s temper.

put one’s mouth in (v.)

[late 19C] to make a comment.

put one’s mouth in one’s pocket (v.)

[20C+] (W.I.) to be forced to make a heavy payment after losing a libel suit.

put one’s mouth on/upon (v.)

[mid–19C+] (W.I.) to denigrate, to slander .

run one’s mouth (off) (v.) (also run one’s gab, run one’s gums) [one’s mouth runs like an engine] [1930s+] (orig. US/W.I.)

1. to gossip, to tell tales.

2. to give advice.

3. to talk without restraint.

4. as run up one’s mouth, to brag, to boast, to fantasize.

set mouth on (v.)

[1970s+] (US black) to gossip, to malign.

stand mouth (v.)

[early 19C] to be duped.