As a proper noun manny
As an adjective manky is
(british|scotland|ireland|slang) unpleasantly dirty and disgusting.
(informal) A male nanny (for children).
*2006 [Perry Taylor] has popped up in supermarket tabloids as the male nanny – or "manny" – for Britney Spears, who has a 9-month-old son, Sean Preston and is pregnant. —
CBS News, 9 June 2006
(British, Scotland, Ireland, slang) Unpleasantly dirty and disgusting.
* 2005 , Justin Peter Beaney, Kasdeja's Children ,
* 2010 , Marian Keyes, The Brightest Star in the Sky ,
- "He don't want those," his father said, holding a bag of apples at the end of an outstretched arm as if they were a danger to his health, "they're all... manky ."
- "Speaking of which—" Fionn starts foostering in the pocket of his manky old jacket—"I've probably got something for you."