Because of the shape of the digits - one of them looks like the other, upside down.
who invented the sex position 69
When a girl says a guy is good at a 69, she is likely referring to the sexual position where both partners engage in simultaneous oral sex. This could mean that the guy is skilled at pleasuring both himself and his partner in this position.
Becuz hes professional at swallowing and cumming and giving facials to girls and doin the 69 position and liks it anal in his butt
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It's when people go into a 69 position. It's a sexual position. If you think about it, you and your partners body make a 69 when performing oral sex.
It represents a sex position.
The number 69 can be a reference to a sexual position between two consenting adults.
The 69 position is when a woman's head is at the end of a man and the man's head is at the end of the woman's.