"i got to 4th base last night with jenna "oh so you had [anal sex] with jenna?" "yep, that's what 4th base means""
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""" What is the definition of "4th base"?