" You’re ballsy, Nats. Jeez.”
“Pfft. Why do men say that? Balls? If you kick them or bump them or they get cold or too warm, you guys go down for the count. I say I have vagina. Way tougher than balls. Though it does hurt to get kicked there.”
He sputtered and then laughed and laughed. “We need to think of another term, though. Vagina up? No. I’ll think about it and get back to you. So did he agree, then? To sell you the guitar, I mean? "

― Lauren Dane , The Best Kind of Trouble (The Hurley Boys, #1)