n. Condition of someone having morals, possibly even very fine ones, but tending to leak or spill them at times, often under the influence of alcohol or other substances. Creates an offensive, embarrassing odour and requires washing.
Some would argue that those who display moral incontinence don't actually have morals any more but merely remember them well.
That prank in the nightclub was another fine display of moral incontinence.
I'm afraid that over the years the dear Captain has become morally incontinent.