It's the nickname for "Seinfeld" character Yev Kasem, a role based on a real NYC cook
[DOC] [TLE] Search Results three : TALKERS.COM [PAR] Her exit will not be immediate and it's assumed CBS is already working on 
finding her .... Radio's Kerri Kasem to Appear with California Assemblyman Mike 
Gatto to ...... Klatt was Westwood One's New York City-based director of research.