Procrastiquitter
(verb) An act when somebody blows off their friends, events, or tasks, but puts it off until last minute.
Joe: Should we order extra food for Jim for dinner tonight? He keeps telling me he wants to come but will get back to me when he knows for sure.
Bill: No, he's a procrastiquitter, he'll call 15 minutes before dinner and cancel and we'll have extra food.
Bill: No, he's a procrastiquitter, he'll call 15 minutes before dinner and cancel and we'll have extra food.