see you later alligator
From the song See You Later, Alligator (1955), chosen for the rhyme.
- (slang) au revoir, see you soon
1955, Judson Jerome, Nolan Miller, New Campus Writings:
- Didn't know you were sick, Whitey, thought you were like […] some of the other times. From the top stair, See you later, alligator.
Extended form of see you later