The sound and feeling male genitalia makes when running naked. Can be quite painful depending on how cold it is.
After streaking across the field Joe remarked "Man, I've got some nasty flippety-flop."
"The only downside to streaking is flippety-flop."
"The only downside to streaking is flippety-flop."
by Alexander'd December 27, 2005
by miyukikalma October 12, 2007
i really what to go out with my best friend to disney land but i am feeling very flippety that i might get hurt.
by flippetea June 26, 2010