Middle Class teenage "rebels" that wear a t-shirt of someone they don't know; that Che would have shot in two seconds.

a phrase chiefly used in northern England.

it is a contracted form of "it'll be reet", where "reet" means "alright" or "OK".

living your life according to "be reet" is the only way to find happiness in life.

Foolish individuals who wear shirts or possess other paraphernalia with the image of Che Guevara, Marxist-Leninist vermin known for his murdering of those who opposed communist revolutions and clown like utter incompetence when involved in combat operations against counter insurgency forces.

Chetards are frequently seen at Eco-conscious rallies, counter World Trade Organization demonstrations and gathered around bongs in college dormitories.