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20.
69
when a girl lays on a man and sucks on his cock and the man sticks his tounge in and out of her pussy making her moan.
Charlie:watching tv in the living room
Jason and Leandra:walk into Leandra's room and lock the door
Charlie: oh fuck they're going to 69
Jason:suck my cock harder bitch!!!
Leandra:screaming "oh god oh yes harder jason go faster!!!"
Jason: you like that!
Leandra:yes yes yes yes yes dont stop
Charlie:damn hes really eating her out
Charlie:wow leandra must be good at sucking cocks
Jason:holy fuck you suck my cock really fast and hard
Leandra:jason i love when we 69 it feels so fucking good
Jason and Leandra walk out
Charlie: you know i was listening the whole time
Leandra:yeah why do you think we did it
Jason: lol
Leandra: lol
Charlie:wtf lol
by jason_boy October 27, 2007
 
1.
69
Simultaneous oral sex. Can be practised by M+M, M+F or F+F.

The reference is that the numerals 6 and 9 are inverted versions of each other, reflecting the physical position that the couple must adopt when engaged in this sexual practice.
The two girls were in a 69, licking each other's pussies.
by starflier December 08, 2003
 
2.
69
A position where the male licks the female's vagina and the female sucks the male's penis...could be used for male on male or female on female action it should not be considered intercourse because it is only oral...fun position that every one talks about and makes jokes about untill they experience it for the first time.
most popular number spoken about by teens next to 420.
- "i b 6 u b 9" - "how bout we 68 and I'll owe you 1"
by Henry Hennessy February 13, 2004
 
3.
69
Simultaneous fellatio and cunnilingus - the female sucks the male's dick while he eats her pussy out. Gay and lesbian versions of 69 are also practiced.
How about some 69 with Michael Moore? Supa chow!
by GuidoPosse69 February 06, 2005
 
4.
69
The highest number you can do as factorial on a standard calculator. 70 causes mathematical eroor.
69! = very big number
by Gaterz March 26, 2004
 
5.
69
A number between 68 and 70.

I'm going to count to 70.
1 2 3..............67 68 69 70.
by crexor April 06, 2006
 
6.
69
69 When a girl is sucking on your cock while u are upside down eating her pussy.
i did 69 with this skank last night TWICE!!
by jave hardy February 27, 2005
 
7.
69
Simultaneous oral sex.
The couple engaged in 69, so neither were left out...
by Mysterious Ms. A June 29, 2002