Muppet
Someone of inferior intellect to yourself, and who unwittingly does something incredably stupid. Relating to hand/string puppets used in the muppets etc. whom are, contrary to public belief, stuffed lifeless creatures. One who has a hand stuck up itself to help it function. A muppet.
/Person X runs into a lampost Person Y - "You fucking muppet, hahahaah"
By jerk0ff