Term given to both a mentally disabled person and an individual you find to be stupid - both usually seen individually or in packs drooling all over themselves and making various grunting sounds and shuffling motions. Read also retard
'Whoa look at that disgustingretard dribbling all over the place!' 'Man that's just Kev - he's probably munted again - what a sped!'
Short for "special education", a slang term used to degrade another person and call them stupid, or moronic. Most commonly used when describing punk music artists