a person so stupid they are incapable of understanding the simpliest of things

Trolls, but uglier

Numpty first surfaced on the terraces of west of Scotland football grounds, many many years ago. A player who couldn't hit a cow's arse with a shovel would be a f***ing numpty.

Someone who is such a dumbass, he keep safeties under his enemy's turf.

A bloke that cries like a baby when he loses.

someone who is so fucking irritating that they manage to get under your skin and make your blood boil with their painful slowness and stupity

A person of very low intelligence

The shithead, rock ogre beings that abducted Basilton Grimm Pitch in the book Carry On.