Some class of an eejit

exp.

Heard in Westmeath

Even more stupider (sic) than an eejit.

In use

Jay you're some class of an eejit alright, yer about as useful as an ashtray on a motorbike!

Posh English

You are a remarkably special sort of fool, being approximately as useful as a smoking accessory affixed to a two-wheeled motor carriage.