Usually involves Supergravity and M-theory. This results in having sex with your lover of choice, then ending up with your grandmother 46 years ago, then in a different galaxy, and finally you inexplicably become a tentacle monster that, for some reason, looks like a deviation of George W. Bush.
As you drift into eternity, screaming every known and unknown language, you question why you bothered to look past 4th base. You become insane.
To gather 217 viagras, wash them all down at once using a gallon of titty residue suckled from Ukrainian prostitutes. And then run dick first through walls of buildings bringing each one to the ground until you reach lake Ontario where you have sex with a majesticmermaid non-stop for 8 days.
To have sexual intercourse with an entire zoo, the zoo keepers, the vistors, tourists and even the local wildlife that isnt part of the zoo.
Guy 1:"I scored 100th base when I fucked a giraffe,
elephant, zebra,llama, anaconda, gorilla, flamingo, lion, stick insect, panda, rhino, tiger, twenty zoo keepers and 500 random strangers!
Cervical sex. Side effects include: severe pain and bleeding, 80% chance of ruining baby carrying potential, and a light feeling of death. Most likely a good idea to proceed immediately to the hospital after. Note it is an absolute prerequisite to attempt sex with the Fallopian tube - the 12th and penultimate base - superseded only by wound sex, such as skull fucking.
After 3 hours of using the osmotic cervical dilator, I penetrated directly into her womb, reaching the legendary 11th base.