Green’s Dictionary of Slang

leaky adj.

[SE leak/leak v.]

1. unable to keep a secret, indiscreet.

[UK]Whores Rhetorick 70: They themselves are rather more leaky; being as little able to keep an intrigue.
[UK]R. L’Estrange in Farmer & Henley Sl. and Its Analogues (1890–1904) IV 168/1: Women are so leaky that I have hardly met with one that could not hold her breath longer than she could keep a secret .
[UK]Grose Classical Dict. of the Vulgar Tongue.
[UK]Lex. Balatronicum.
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.
[US]D. Crockett Col. Crockett’s Tour to North and Down East 217: Fortunately for the Governor, there was a leaky member, and [...] Poindexter heard of it.
[US] ‘Scene in a London Flash-Panny’ Matsell Vocabulum 98: ‘Was he nabbed on the scent ?’ ‘No, his pal grew leaky and cackled.’.
[Scot]Dunfermline Press 20 June 3/6: The Leaky Admiral. Lord Hardwicke complains of [...] the indiscretion of Admiral Elliot in communicating to a leader of the Opposition [etc.].
[US]Trumble ‘On the Trail’ in Sl. Dict. (1890) 42: [as cit. 1859].
[Aus]C. Crowe Aus. Sl. Dict. 44: Leaky, not trustworthy.
[UK]J. Buchan Mr Standfast (1930) 636: We’re the leakiest society on earth, and we safeguard ourselves by keeping dangerous people out of it. We trust to our outer barrage.
[US]A.J. Pollock Und. Speaks n.p.: Leaky vessel, a person who talks too much.
[UK]Oh Boy! No. 20 10: Say! You’ve got a leaky mouth, pal.
[UK]J. Rhys Wide Sargasso Sea 73: Look, Jo-Jo coming, he talk to everybody about what he hear. Nothing but leaky calabash that boy.
[NZ]B. Mason Awatea (1978) 40: Now all these meddling mouths be shut! Leaky traps, all of them.
[Scot]L. McIlvanney All the Colours 320: But the UVF was a leaky boat. There were touts at every level.

2. in need of urination.

[UK]N. Ward ‘Revels of the Gods’ Writings (1704) 106: Then Bacchus being Leaky, he pis’d into France, / Inriching their Grapes with the Spirit of Nants.

3. drunk and thus talkative.

[UK]Egan Life in London (1869) 217: Both these fair ones [...] are as leaky as sieves, from turning their money as fast as they get it into liquor.
[UK]J. Ware Passing Eng. of the Victorian Era.

4. (US) tearful, weepy.

[UK]H.A. Vachell Hill 151: ‘I ain’t the leaky sort,’ she added fiercely, still gasping.
[US]Orchestra Wives [film script] ‘She’s a little red around the eyes.’ ‘Oh, Christopher, a weeper. If there’s anything I hate, it’s a leaky dame.’.
[UK]I. & P. Opie Lore and Lang. Schoolchildren 187: Croydon boys have twenty names for a cry-baby: [...] leaky, [etc.].

5. (Irish) of weather, wet.

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