Skank

n.

Heard in Sligo, Cork, Galway and Limerick

An abusive term for a contemptible or sluttish person.

In use

shut the fuck up you skank! look at the skanky twins they are shaving their hairy backs again!

Posh English

Kindly shut your trap, you unpleasant creature. Just look at those dreadful twins shaving their hirsute backs once more.

Same phrase, other counties