Means 'fucking cool'. Also is commonly used as the short version of 'fooey' or 'fooya', meaning gross or disgusting.
by threalalig July 13, 2006

Another definition to sexually stimulate one's self in a NON aggressive manner. This is usually done solo, but can be accomplished in groups of another individual or more. Only a solo act.
"I reached my hand down south and i started to foo foo as i was watching two people make passionate love."
by icytadpole January 22, 2009

A very stupid person.
by Mike August 24, 2003

by rott1ngch3rries April 10, 2022

Foo foo is a phrase you put in front of a word when you're talking to your best friends and they're looking extra fucking dumb and saying some dumb shit.
by urbanfuckoff April 24, 2020
