a magical dildo with the ability to make those over the age of 50 trying to cram junk up in it feel young again. it also makes anything it touches have that "new car smell"
-mrs. chown is rompin off on that wiggler 3000.
-man your minge is gettin a little fishey, stuff a wigglerup in it
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.
Tyrone: "Dude, Sally just gave me a Welsh Wiggler!"