1 definition by MWongaz

1. A bar full of Fooey goodness
2. A type of wrench
3. A chocolate brand
4. A computing term
5. Slang for a mistake/accident.
6. Can be used opposite barfoo
"I can't believe Jerry ate that dirty Foobar."
"That Foobar won't turn anything"
by MWongaz December 6, 2007
Get the Foobar mug.