Themmuns
Those ones. That other crowd over there. Often the other lot in a local or communal sense, said with a tilt of the head.
Heard in Antrim, Down, Derry, Tyrone, Armagh and Fermanagh
Sure what are themmuns at now? Flying flags again, are they?

Shall I translate it into posh English for you, mucker?
Well, this is a treat. Here it is in posh English.
Whatever are that other party engaged in presently? Raising banners once more, are they?
Questions
What does themmuns mean in Ireland?
Those ones. That other crowd over there. Often the other lot in a local or communal sense, said with a tilt of the head.
Where in Ireland do people say themmuns?
People say themmuns in Antrim, Down, Derry, Tyrone, Armagh and Fermanagh.
How do you use themmuns in a sentence?
“Sure what are themmuns at now? Flying flags again, are they?”
Updated
On the list: Irish slang words
Same phrase, other counties
- Down (not in the dictionary)
- Derry (not in the dictionary)
- Tyrone (not in the dictionary)
- Armagh (not in the dictionary)
- Fermanagh (not in the dictionary)