Gammy

n.

Heard in Limerick, Kilkenny, Waterford, Mayo, Cork, Galway, Longford, Westmeath and Sligo

Describing something or someone that is aesthetically unappealing, awkward, or deformed.

In use

Man, that is a truly gammy head you have on you today!

Posh English

My word, you possess a singularly grotesque visage today.

Same phrase, other counties