Giraffe Balls
Said to someone after they didn't get a clear reference or joke to signify that it went over their head. Usually confuses them even more which adds to the teasing.
Dave - Tells a joke...
Karen "I don't get it"
Dave "Giraffe balls"
Karen "Huh?"
Karen "I don't get it"
Dave "Giraffe balls"
Karen "Huh?"