A
potentially painful condition in which a male, often wearing boxers or no
underwear, is walking or jogging and the testicles and/or
flaccid penis repeatedly slaps against the inner thighs.
Jogger Chad: "Dude... ok, I gotta
take a break here..."
Jogger Michael: "Aw, man come on... we got three miles to go."
Jogger Chad: "Dude... fucking got pendulum penis going on
right now, k? Gimme a freaking break."
Jogger Michael: "For Christ's sake, you said that
two minutes ago."
Jogger Chad: "Fuck off! I thought I had the testies of Papa Smurf last time I tried to tough it out... couldn't beat off for two days."