tinder bombingのようなどんな単語でも探してください。
 
1.
The first step in a sexual realtionship involving making out or french kissing
"I don't when when that chick is going to give me some action, it's been a month and we're still only on first base!"
Little Blue Patakhaによって 2003年01月16日(木)
 
2.
French kissing. Is followed by feeling up second base, oral third base and sex home run
I finally got to first base with matt last night!
alesandraによって 2005年12月29日(木)
 
3.
In relationship/sexual terminology, this is the Stage in dating where the couple kisses, or makes out.
It is the First Stage, starting with the first kiss, and leads to repetition to say Goodbye or Goodnight.
It signify's the Beginning of being in love.

This can lead to French Kissing, or kissing of the Tongue.

This is the Beginning of Courtship, or a Physical-Loving Relationship that naturally resolves to advancing sexual stages until 'Home Plate'.
"Jimmy made it to First Base with Kelly today!"
"Congrats to him - Maybe he can find that Gum I left in her mouth last week..."
SMXによって 2013年02月08日(金)
 
4.
Amy and Jack went to First Base at the movies last night.
Alexによって 2004年02月13日(金)
 
5.
The French Kiss. Not just a peck on the cheek or lips. You gotta use your tongue.
"How far'd you get with her?" "Only first base, I might lose her if we don't get any farther"
footballstud580によって 2004年04月03日(土)
 
6.
when two people are making out
it's been three months and i've only gotten to first base.
G-Gによって 2007年04月09日(月)
 
7.
"i went to first base with this girl"
Dick Hertzによって 2003年05月21日(水)