An adjective to describe someone who has done something idiotic. Used in East Anglia in England, deriving from the Colchester (town) Severals Hospital for insane or mentally retarded people
"You sev" shouted at someone who has just done something really stupid
By Petronia
Sev
Short for the number 7. The reason this word exists is because "seven" is two syllables while "sev" is just one syllable.