Something absolutely fantastic and one of a kind in greatness. Tends to be used to describe Irn Bru.
"That's Coke's aye raj ya wee midden. Geez us an Irn Bru. It's pure phenomenal, like."
by Limbo Murfbiscuit December 01, 2004
a word generally used by lying bastards who overexaggerate everything they do or say.
I played an absolutely phenomenal shot on the 17th at the belfry last weekend.
by nobjockey1234 November 09, 2006
Adj. Used to describe someone who is neither extraordinary nor unusual; but to do the complete opposite. It is used to mock someone, to make someone who has no special talents or traits, think they are "Phenomenal".
Diana says to a illiterate, 18 year old boy: "Your phenomenal at reading!"
by Mr. Sexy May 02, 2006