'take a leak' definitions:

Definition of 'take a leak'

verb

Eliminate urine; "Again, the cat had made on the expensive rug" [syn: make, urinate, piddle, puddle, micturate, piss, pee, pee-pee, make water, relieve oneself, take a leak, spend a penny, wee, wee-wee, pass water]

From: GCIDE

Leak \Leak\ (l[=e]k), n. [Akin to D. lek leaky, a leak, G. leck, Icel. lekr leaky, Dan. l[ae]k leaky, a leak, Sw. l[aum]ck; cf. AS. hlec full of cracks or leaky. Cf. Leak, v.]
1. A crack, crevice, fissure, or hole which admits water or other fluid, or lets it escape; as, a leak in a roof; a leak in a boat; a leak in a gas pipe. "One leak will sink a ship." --Bunyan. [1913 Webster]
2. The entrance or escape of a fluid through a crack, fissure, or other aperture; as, the leak gained on the ship's pumps. [1913 Webster]
3. (Elec.) A loss of electricity through imperfect insulation; also, the point at which such loss occurs. [Webster 1913 Suppl.]
4. an act of urinating; -- used mostly in the phrase
take a leak, i. e. to urinate. [vulgar] [PJC]
5. The disclosure of information that is expected to be kept confidential; as, leaks by the White House staff infuriated Nixon; leaks by the Special Prosecutor were criticized as illegal. [PJC]
To spring a leak, to open or crack so as to let in water; to begin to let in water; as, the ship sprung a leak. [1913 Webster]