An all encompassing obsession with stools, not always of a sexual nature. The desire to take a big dump in every bathroom you find. To meticulously calculate this undertaking in a group. Fecal Fantasy Force
Billy: Gee Sally, I had the greatest Fecal Fantasy this morning.
Sally: Really Billy, what's that?
Billy: I wanna drop a deuce in every bathroom on our college campus.
Sally: My dear! What an undertaking! We may need to call for backup.
Billy: QUICKLY SALLY TO THE BM HOTLINE!!!! Assemble the FECAL FANTASY FORCE!!!!
Sally: Damn right!