where 3 ppl, usually either 2 males and a female or 2 females and a male have sex together, lots of diff postions and is quality to do !!
by know it all February 17, 2005
Get the 3summug. by freakshow July 14, 2005
Get the 3summug. Bob: Yeah, I had a 3sum last night!
Tom: Was it good?
Bob: The third person, Was such a good recorder, It could have been a porno!
Tom: When you make it A movie, I'm buying it.
Tom: Was it good?
Bob: The third person, Was such a good recorder, It could have been a porno!
Tom: When you make it A movie, I'm buying it.
by BlahhhhhhBiiiittchh! January 14, 2010
Get the 3summug. by MR J PIG September 27, 2019
Get the 3summug.