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14.
Spelled '3rd bass'
Legendary rap band from the late 80's, who boasted the dope ass album "The Cactus LP"...
Yo homes, 3rd bass still rocks!
by Stanz June 19, 2003
 
1.
3rd Base is getting either a Hand Job, Fingering or Oral Sex. Can also be used as foreplay before sex or just a Sexual activity without having to actually have full Sexual Intercourse
"hey .. whats third base actualy feel like?"
"It feels like warm apple pie..."
-American Pie
by Cosnett April 06, 2005
 
2.
oral sex, usally closely followed by intercourse
i got to 3rd base with your girl last night
by unknown April 03, 2004
 
3.
The touching of tongues to private parts
3rd base is Blow jobs; eatin out
by crazyemiiee November 10, 2008
 
4.
It feels like warm apple pie... (Taken from "American Pie").
Have Ibeen to 3rd base... wouldnt you like 2 no... my 8th girlfriend can tell U tho...
by Sabian June 03, 2004
 
5.
Medicine: When a medical student performs a female genitourinary pelvic exam.
I can't go to the show tonight because I am learning how to give a female genitourinary pelvic exam from 6-10pm, but at least I'll round 3rd base.
by Dmesher February 19, 2008
 
6.
head or a hanjob
Dude, your a fucking pussy. It's been a month and u still haven't got to 3rd base yet
by StL May 03, 2004
 
7.
For most teens (under 17) third base is usualy what comes just before sex. While for over 17s third base is usualy oral sex, younger teens often have oral sex in fourth base, after sex.
3rd base can involve fingering, showering together, humping, ect.
by black_emo July 29, 2006