One who's foot or feet consists of astronauts and space shuttles. This is one of the most offensive words ever uttered by man. Even worse than yardmouth.
by Spartixus December 15, 2005

Flappy foot is normally a boy named Matt and he is incredibly clueless to when he puts his leg in the air and his fat jiggles on his leg! U definitely want to be this kids friend if u have a chance.
by Happysquid February 20, 2018

by Super Mr. Manners June 8, 2019

by Lid Boy September 24, 2021

A condition affecting the bottom of the feet which most often results from several or more hours spent playing volleyball in the sand, and that is characterized by a mild irritation of the skin at the soles of the feet, and which results in mild discomfort or soreness similar to the sort of discomfort that one might feel at the roof of their mouth after engaging in the over consumption of breakfast cereal.
by Arthur Peterson January 16, 2010

by Solid Mantis October 29, 2019

by C-fitzizzle May 10, 2008
