While a non sequitur is a comment which does not logically follow the preceding comment, and a pre-sequitur is a comment relating to something mentioned much earlier in a conversation, a post-sequitur follows something yet to be said.
Compared with non sequiturs and pre-sequiturs, genuine post-sequiturs are rare, as most Americans find them immoral.
Jack: Hey there, sweet thang.
Jan: Sure, I'd love to.
Jack: Would you like to go out for a drink? Wait, what?
Jan: Hells yeah it was!
Jack: Was that some kind of post-sequitur?
Jan: Fine, have it your way. Toodle-oo!
Jack: Away with thee or I shall do mur-rer-der-r-r!
A painful condition that affects winners of reality TV shows past the first season, consisting of not being able to accomplish success of any degree. See American Idol winners, America's Next Top Model, Apprentice, etc.
Person 1: Ouch, Lee DeWyze's debut album only sold 141,000 copies.
Person 2: Sounds like a bad case of Sequential Season Syndrome.