Sweeney

[name] Sweeney is a surname that, though closely associated with Ireland, is of Scottish origin, derived from the Gaelic Mac Suibhne meaning `son of Suibhne`. The Gaelic personal name Suibhne was originally a byname meaning `pleasant` or `well-disposed`. The Gaelic personal name was also used an equivalent to the unrelated Old Norse persona...
Found on http://en.wikipedia.org/wiki/Sweeney_(name)

Sweeney

Cockney rhyming slang for the Flying Squad, from Sweeney Todd, inspiring the television series The Sweeney, (see also Heavy).
Found on http://www.translationdirectory.com/glossaries/glossary086.htm

sweeney

Disuse or neurogenic atrophy of the supraspinatus and infraspinatus muscles in horses. ... (05 Mar 2000) ...
Found on http://www.encyclo.co.uk/local/20973

Sweeney

Sweeney is British slang for a barber.
Found on http://www.probertencyclopaedia.com/browse/ZSD.HTM
No exact match found