Maneen

n.

Heard in Offaly, Tipperary and Waterford

A man that is short in both stature and temperament and tends to have misplaced notions about his level of toughness.

In use

Yer man's only a maneen. He thinks he's a rale hardman, but I bet me granny could bate the shite out of him!

Posh English

Mad Mick is merely an irascible little fellow. He fancies himself a hardened tough, but I wager my grandmother could thrash him thoroughly!

Same phrase, other counties