Definitions by Turtleface

Jefter 

NOUN: A vastly unattractive person (arrogant)
ADJECTIVE: boring, failure, disappointing (eg a party)
VERB: Jeftering - to irritate someone for a long time.

"Stop Jeftering me!"
"You're such a Jefter"
"That party was a Jefter"

Jefter by Turtleface May 1, 2014