1st Base: Sniffing each other's skid marks.
2nd Base: Serenading an open wound.
3rd Base: Tea-bagging box set of Stargate: The Complete Series on blu ray.
4th Base: Warm coleslaw enema given by a guy cosplaying as Dean Koontz.
5th Base: Consensual glorfing.
6th Base: Ship In A Butthole (building a small replica of a 19th century schooner in one another's anal cavity).
7th Base: Making a snuff film with the Hamburger Helper mascot.
8th Base: Blowing down a Pirates Of The Caribbean Lego set with a series of queefs.
9th Base: Pulling a train, but in your caboose.
10th Base: Teaching your crab lice to make their own OnlyFans account to help pay for groceries and other household expenses.