Green’s Dictionary of Slang

1. (US Und.) a petition.

1859

Matsell Vocabulum 55: ‘My pals have got up a bene moey to send to the head bloke, and if it comes off rye buck, I shall soon vamose from the stir; but if it should turn out a shise, then I must do my bit,’ my partners have got up a good petition to send to the Governor, and if it turns out well, I shall soon leave the prison; but if it should be good for nothing, I must stay my time out.

2. the mouth; the face.

1859		Hotten Dict. of Modern Sl. etc. 64: MOOE, the mouth.
1864, 1867, 1870		Hotten Sl. Dict.
1873		Sl. Dict.
1930		(con. 1910–20s) D. Mackenzie Hell’s Kitchen 119: Mouee ... mouth.
2004		N. ‘Razor’ Smith A Few Kind Words and a Loaded Gun 169: You remember, he done that bully-cunt Jonesy with a ladle? Smashed him right in the mooey!
2007		N. ‘Razor’ Smith Raiders 184: I closed my cell door in Gilbert’s sour mooey.
2011		J.J. Connolly Viva La Madness 301: I need a good tale as to why my mooie’s all over the television.
2019		P. Baker Fabulosa 295/1: moey, mooe 1. a mouth. 2. a face.

3. the vagina.

1859		Hotten Dict. of Modern Sl. etc. 64: MOOE [...] the female generative organ.
1860		Hotten Dict. of Modern Sl. etc. [as cit. 1859].
1999		Roger’s Profanisaurus 3 in Viz 98 Oct. 20: mooey n. A sausage wallet.

4. (Aus.) a moustache.

1949

R. Park Poor Man’s Orange 82: Your mother didn’t have any call to go slinging off at me moey.