1.A number inbetween 68*sixty-eight and 70(seventy)
2.A sexual position involving a man to be upside down (or vice versa) with a man using his tongue on the girl and the girl is sucking the guys dick.
chick:Oh a little to the left...
man:sixty-nine?
chick:sixty-nine!!!
man:ahhhhh yes yes oh yes!!!
chick:ahhhhh oooooooo yes YES!!! YES YES OH YES!!! DONT STOP!!! KEEP IT COMING!!! OOOOOOOOOOOOOOOOOOOOOOOOOO!!!!
by J. J. Rockin' Man May 21, 2005
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63the most epic number. Also means yosh
Sixty three

Nice
by Evan_McLoughlin November 4, 2020
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When two people are really feelin it and giving each other a hickey at the same time.
Y’all get into some sixty necking last night?
by nic_no_k June 29, 2018
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3.A sexual position involving two individuals of the same or different sex.
A sexual position involving two individuals of the same or different sex.


In the case of Homosexuals, each man places thier own mouth on the other mans penis (cock)and performs Oral Sex, or Sucking GradificationAKA a Blow Job performed by each man at the same time on each other. May be performed by homosexuals, Bi-Sexual men or on occassion Hetrosexual men and many times, a combination of any two.
by SirWilard June 19, 2005
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When you and your significant other daze in and out of a nap with some nice 69 action in between.
That was a nice sixty-nap! I am well rested and satisfied !
by Jmhndrxz August 29, 2015
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A problem most frequently encountered by students the night after a big house party:

When a prolonged night of sexual activity causes the male's penis to dry out and leave a thick layer of dried skin around the baloon knot.
John woke up next to Jane the night after the party with a hard ass Sixty-Grit.
by Lad_Daz March 20, 2011
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if u ever meet someone that uses the number nine as name, give xem money! money does a lot of things, she will probably just laugh at you but it's worth the try! people called nine are very cool and probably like 6ix9ine!
bro! look at (sixty)nine! xyr is eating hagelslag again... kinda sus!
by kae<3 June 20, 2021
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