having sexual intercourese with your partner while wearing Sherlock Holmes hats, smoking pipes and completing a crossword in under 10 minutes.
I got to 13th Base with the wife yesterday and she came allover my deer stalker
74👍 17👎
When you have sex with an animal and a person at the same time.
"Dude, that weird dude next door got to 13th base last night."
4👍 3👎
Sex with your boss, professor, or another person you have no business fooling around with . . .
"I did not have sexual relations with that woman . . . it was just 13th base!" -- Bill Clinton
407👍 195👎
(male) when you have intercourse with a female and you end up getting warts, aids, and every other STd you can think of.
Man this girl took me to 13th base and now my life is over!
18👍 58👎