a term usually used as a command or an action. to Plan-A-Sat is to make plans for a saturday, usually with girls. generally at a place of mass socializing. such as the mall, the movies, or whatever your in to
Bob: Man that Girl Kara is mighty hot.
James: Yea, id like to chill with her friend Ali too, wanna Plan-A-Sat?
The phrase “I have a plan Arthur” is usually coincided with a bad plan, or decision that someone is going to make. This is usually a reference to RDR2 where Dutch Van Der Linde’s plans most of the time fucking suck and cause more trouble than good.