Clay

n.

Heard in Tipperary

Dirty, disgusting or of very poor quality.

In use

That lap I did in the Honda civic wont be beat.." "Tut... go back man that was pure clay!" "Hand me that controller and ill make ribbons of ya!

Posh English

That lap I completed in the Honda Civic cannot be surpassed. Tut, go back my good man, that performance was wholly dreadful.