LOL what did Tucker do to Rush to deserve that branding?
I don’t know, but I suspect it’s because he’s so...preppy.
Just found it on Wikipedia, Chatsworth Osborne Jr. was a character on the sitcom "Many Loves of Dobie Gillis", Tucker dressed like Osborne when first starting in broadcast.
https://en.wikipedia.org/wiki/Chatsworth_Osborne_Jr