What is 4th Base?
When you go to 4th base w/ someone...you have sex
When you have
Guy: Baby Lets go to 4th base tonite
Girl: I'm On my period
Guy: oh come on i been wanting to nail you for ages!
TO FUCK LIKE A DOG !!!! when u tell someone you got to 4th base they are very proud
i told my dad i got to 4th base with my gf he gave me a pat on the back
to get to 4th base is to have anal sex.
"I got to 4th base last night with jenna"
"oh so you had
anal sexwith jenna?"
"yep, that's what 4th base means"