A day in the future that can never come; usually used to put off a request frrom someone for action.
Mom - I have been asking you to clean that funky room for weeks. When are you gonna do it?
Offspring - I had planned to do it, like, the day after next.
Offspring - I had planned to do it, like, the day after next.
by Chizz October 11, 2004
Did you see Day After Next at Peabodie's? Vince took his shirt off, Matt was rocking out, and Billy beat his head with a drum stick!
by Long Gone September 8, 2003