Top definition
When you go to 4th base w/ someone...you have sex
by kristy June 30, 2003
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2
Guy: Hey dude! I hear you got to -4th base last night!!....
dude?...dude...?...
by link2link25 February 27, 2010
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3
You've left third base already, but failed to reach home. Now you are currently stuck in the twilight zone of an awkward, in-between base. I am not talking baseball.
Jerry left Bible study early, so 4th base was as far as we got.
by Skullwood June 30, 2015
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4
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
by porno May 21, 2005
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5
When you have sex (looking this up is kind of sad)
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!
by Gioj4 August 18, 2008
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6
to get to 4th base is to have anal sex.
"I got to 4th base last night with jenna"
"oh so you had anal sex with jenna?"
"yep, that's what 4th base means"
by sam all together August 24, 2007
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