adj. (old).See quots.
d. 1704. SIR R. LESTRANGE [Century]. Women are so LEAKY that I have hardly met with one that could not hold her breath longer than she could keep a secret.
1785. GROSE, A Classical Dictionary of the Vulgar Tongue, s.v. LEAKY. One who cannot keep a secret is said to be LEAKY.
1859. G. W. MATSELL, Vocabulum; or, The Rogues Lexicon, s.v.
2. (old).Incontinent of urine.