Snowberries are when white toilet paper balls up and clings to your pubic area (female) or rectal area. "Snowberries" are white while "dingleberries" are brown.
Man 1: Dude, I hooked up with this chick from the bar and got busy with her.
Man 2: Way to go, bro!
Man 1: Yeah dude, but she wasn't clean! When I went down on her she had snowberries on her cooch!
In Roald Dahl's Charlie and the Chocolate Factory, Willie Wonka mentions licking snozberries. What most peopledon't know is that in one of Dahl's adult books, snozberry is a euphamism for penis. He was slipping dirty humor into a kid's book for his private amusement.
"...The snozberries tastelike snozberries..." "What's a snozberry?" "I'm a trifle deaf in my left ear, next time speak up!"