The Snozzberry is a fictional foodstuff mentioned in Charlie and the Chocolate Factory and its first film adaptation. It is some sort of fruit, but beyond that, its details are unknown. The term snozzberry also appeared in Dahl's adult novel My Uncle Oswald, where it was a slang term referring to male genitals.
Snozzberries are dicks. Willy wonka made those kids like dick flavored wall paper.
This term also appears in the 2001 movie, Super Troopers. "The snozzberries taste like snozzberries."