Definition of Sweeney in English:

Sweeney

noun

British
informal
  • The members of a police flying squad.

    • ‘They added, however, that the Sweeney leadership might bar them from these bodies.’

Origin

1930s: from rhyming slang Sweeney Todd, a barber who murdered his customers (see Todd, Sweeney).

Pronunciation:

Sweeney

/ˈswiːni/