Flute

n.

Heard in Dublin, Tipperary, Mayo, Fermanagh, Sligo, Galway, Limerick, Longford and Cork

Meaning penis. Also: Male genatalia (the long part).

In use

I've a pain in me flute" "Shut up ya flute. Ask me flute

Posh English

I am experiencing a rather sharp twinge in my nether regions.

Same phrase, other counties