10th base is simple. It comes after 9th base, which is anal sex whilst strangling the person, so therefore 10th base is simply death. However, You have the option to have sex with the dead body or just leave it.
"Hey mate, u won't believe it but I finally got there..10th base action last night"
"Omg, trevor, I was joking. You just killed someone"
"Shit"
"Omg, trevor, I was joking. You just killed someone"
"Shit"
by Jacob69Amsterdam May 07, 2007
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