Top Definition
Taking the zapstrap ballsac to the next level, the all-in-one involves the placing of the penis as well as the testicles inside the zap strap before tightening. Not for the faint of heart.
"If I get drunk enough that someone gives me an all-in-one while I'm passed out, I may need to get that shit amputated."
"Dude, it'll already BE amputated!"
by crimeny March 14, 2009

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.