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
by Cosnett April 06, 2005
by unknown April 03, 2004
by crazyemiiee November 10, 2008
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
by Sabian June 03, 2004
head or a hanjob
by StL May 03, 2004
In the corresponding bases, 3rd base involves oral sex, either a girl giving a boy fellatio or cunnilingus.
by Miketee May 16, 2009