Cont
The c word, said with a short o, the way you'll hear it all over Ireland. An insult or, said warmly, a term of endearment, so mind the tone.
Heard in Dublin
Also spelt Coont
1All over Ireland
Ye robbed me last chip, ye dirty cont.

Shall I translate it into posh English for you, sham?
What a frightfully fine day to meet you. Here it is in posh English.
You have purloined my final chip, you thoroughly unscrupulous scoundrel.
Other meanings
2n.Dublin
Coont: the same word with a long oo, the way you'll hear it in Dublin.
In use Howja like that Enda, ya bleedin' coont!
Let Lawrence Muck translate it to posh English for you 
Ah, at last, someone civilised. Would you like me to translate this one into posh English for you?
How do you like that, Enda, you confounded scoundrel!
Questions
What does cont mean in Ireland?
The c word, said with a short o, the way you'll hear it all over Ireland. An insult or, said warmly, a term of endearment, so mind the tone.
Where in Ireland do people say cont?
People say cont in Dublin.
How do you use cont in a sentence?
“Ye robbed me last chip, ye dirty cont.”
Updated
On the list: Irish slang words
Same phrase, other counties
- Dublin (not in the dictionary)