Top Definition
A person who provides oral sex to a younger girl, particularly below 13 years old. Derived from 'rug muncher' but becomes floorboard due to the girl having no puibs.
jack in 4th year is going out with jill in 1st year, jack is a floorboard muncher.
by D-mass November 29, 2009

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.