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27.
There are many versions of the "bases". Usually used by immature children or teens who still laugh when someone says penis. Those same kids are the ones who cant say the word penis but have to use signals with their eyes or say, "the you know what ;-).
-Hey, i got to FIRST BASE today!!!
-With who?
-Jake!
-OMG did you get to see his... well you know.
- EWW NO!
by Reilly February 21, 2005
 
1.
baseball as a sexual metaphor

Going up to bat: Attempting
Bullpen: Foreplay
1st base: French kissing
2nd base: Above the waist
3rd base: Below the waist
Home Run: Sex
Grand Slam: Four times in twelve hours
Foul Ball: Ass sex
Strike out: Not getting it up
Line Drive: One night stand
10 Run Rule: Finishing on your own
Pop fly: Stealing virginity
Bunt: Pre-mature ejaculation
Gapper: Easy lay
Bases loaded: Threesome
Third base coach: The person who's filmming
Stealing bases: Rape (rape is bad)
Double/Triple play: Multiple Orgasms
Cup: condom
Steroids: Birth control
Error: No Orgasm
Broken Bat: Broken dick
Extra Innings: Four times in a row
Bench Warmer: Peeping Tom
Bat boy: Fluffer
Field: Heartshaped bed
Dugout: Back seat of a car
Bases: Self-Explainitory
by BBS May 18, 2006
 
2.
the fours Fs
1. French
2. Feel
3. Finger
4. Fuck
Last night, my boyfriend and I went to 3rd, we were so close to taking all four!
by Chrissy C. March 20, 2005
 
3.
first base-making out
second base-gettin felt up
third base-giving head,hand job,etc
home run-sex
We got to third base yesterday.
by jeska November 22, 2003
 
4.
Theirs many verisons but all together they usually come to be the same at one point.

First Base- Frenching
Second Base- Feeling
Third Base- Oral sex, Fingering, Giving Head, Hand Job,...Etc...
Home Run- Sex
"Last Night me and my boyfriend went to third base and almost to a home run!!"
by JuLiA August 21, 2004
 
5.
Baseball terms used as sexual metaphors. Most commonly referring to the bases.
1st base= Kissing, french kissing
2nd base= Groping, feeling, fingering
3rd base= Oral sex, 69, handjob, pretty much anything but all-out sex
Home run= Full-on sex, penetration

Many people have different variations for first, second, and third base.
Person 1: Yo, last night I got to 2nd base with your girlfriend!
Person 2: Well I hit a home run with your mom!

Kid: Dad, tell me about the bases!
Dad: Son... stfu
by Ass Kicka November 13, 2010
 
6.
Stuff that's fun :D

First Base is kissing with tongues, French
Second Base is groping, Feel
Third Base is giving/receiving oral sex/handjob, Finger
Home Plate is the fully monty, Fuck
So remember...
French, Feel, Finger, Fuck
In the computer lab with Brandon wqe skipped first base but headed straight to second base, even with teachers around! He was worried we were going to get caught, but i thought the risk made it ten times more fun ;)
by Rachel Simmons June 10, 2005
 
7.
1st: kissing, making out
2nd: feeling up, above the belt
3rd: Hand job, touching below the belt
Short stop: blow job and such
home run: sex
mark and kevin had their bases all screwed up... they meshed 3rd and shortstop.
by whatwhat555 June 11, 2010