Top definition
a) A number that looks the same when rotated through an angle of 180 degrees.
b) The only number whose square and cube between them use all the digits 0 to 9: 69² = 4761 and 69³ = 328,509.
c) 69 = 1892 ÷ 473 + 65—the digits 1 to 9 appear on the right of the equation.
69 is the record number of children born to a Russian woman—she had 27 pregnancies all of which produced more than one baby: 16 pairs of twins (32), 7 sets of triplets (21), and 4 sets of quadruplets (16).
via giphy
by MathPlus February 04, 2017

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

2
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

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

3
When A guy and girl lick each other's privates at the same time
Chad jumped into Kiersten's soft bed and put her in a 69 that lasted all night long!
by SlopNChop December 18, 2016

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

4
A session of 69 which is interrupted by the woman having a period.
that bitch was all 6.9 up in my face you know?
by BuddhaBuddy March 20, 2004

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

5
by Magnum "Tigga Plz" March 15, 2009

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

6
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

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

7
A form of "double-oral". In 69, one partner, gives oral to the other, and vice versa, named so 69, because 6 and 9 are inverts of eachother, symbolizing the type of sex. Can be practiced Male+Female, Male+Male, or Female+Female. A form of cunnilingus.
1. Dude, check out this video of your mom 69ing your girlfriend!
by Michaleawinans@aol.com December 16, 2007

### The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.