
1) AFL-CIO chief John 2) Americanized surname 3) Anglicised Irish surname 4) Big name in tonsorial fiction 5) British slang for a barber 6) Irish boy name 7) Irish surname 8) Man to tell blarney to 9) Mr Todd of the Flying Squad 10) Name in a sondheim title 11) Todd of Broadway 12) Todd of Fleet Street
Found on
https://www.crosswordclues.com/clue/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)

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 is British slang for a barber.
Found on
http://www.probertencyclopaedia.com/browse/ZSD.HTM

Cockney rhyming slang for the Flying Squad, from Sweeney Todd, inspiring the television series The Sweeney, (see also Heavy).
Found on
https://en.wikipedia.org/wiki/List_of_police-related_slang_terms
No exact match found.