Welsh Wiggler
When a woman is performing fellatio or another sexual act on a man using the hands, a Welsh Wiggler is when the aforementioned woman flops the man's penis back and forth as opposed to the regular up and down motion.
A Welsh Wiggler can also be done by a man on himself.
A Welsh Wiggler can also be done by a man on himself.
Tyrone: "Dude, Sally just gave me a Welsh Wiggler!"
Richard: "Awesome, man!"
Tyrone: "Yeah she flopped my penis back and forth!"
Richard: "Awesome, man!"
Tyrone: "Yeah she flopped my penis back and forth!"