Much like a butterface. A girl who has a great body, but a rather unattractive face. She'd be great in bed, but you just have to cut holes out of a paperbag and pop it right over her head.
GUY 1: "Hey look at that Nancy girl. Nice ass"
GUY 2: "Yeah, but look at her face."
GUY 1: "She's a real paperbag princess alright."
GUY 2: "Nice one."
"this girl had a nice body, but a filthy face, so I put a paper bag on her head, and had my way with her. One might just call her a paper bag princess"
A girl or young woman who realizes, like the character in Robert Munsch's book of the same name, that she needs a man like a fish needs a bicycle.
"Lauren's life as a paper bag princess meant that she'd always be using her super powers to helppeople who really needed her instead of to reproduce empty societal expectations."
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.
Man, I just watched the funniest nutshot video ever.