A phrase coined by the cartoon character named Yakko from the Animaniacs. "Goodnight Everybody" is used simialry to the phrase "That's what she said", but can be used whenever anything sexual is said.
by Filibuster1995 November 21, 2012
A phrase used by Tonight Show host Johnny Carson and then by Late Show host David Letterman to indicate that a humorous point had just come close to crossing a line and getting the show pounced on by network censors. Later adopted by the character Yakko Warner of Animaniacs voiced by Rob Paulsen.
After the Warner Brothers are caught using a bust of Freud as a Pez dispenser, their therapist says 'Stop touching my bust!' Wherein Yakko pauses and looks at the camera, blows a kiss and says 'Goodnight everybody.'
by JoeMamaAgain May 9, 2016