A penis that has an extremely big head but skinny shaft. Pendulum Penii swing like a clock's pendulum when the possessor walks with a normal gait.
Man, did you see Jason in the locker room? He has a fucking pendulum between his legs. Every step it swung from 1 knee to the other.
Free Daily Email
Emails are sent from firstname.lastname@example.org. We'll never spam you.