it's oral sex. the circular part of each numeral is the head and the tail is the body. this sort of oral sex is requited, with both people giving attention to the other person's genitalia.
by 717123 June 4, 2019
Teacher: What is 60+9?
Student: 69
Perverted Idiot: OOOOOOH, BILLY'S TALKING ABOUT SEX!!!
Everybody else: Shut up Timmy Turner
Student: 69
Perverted Idiot: OOOOOOH, BILLY'S TALKING ABOUT SEX!!!
Everybody else: Shut up Timmy Turner
by fakename06 November 27, 2018
nice.
by Dmmiller11 April 23, 2019
THIS IS THE BEST NUMBER TO EVER BE INVENTED LITEARRLY WHEN YOU ARE THIS OLD YOU UNLOCK AN ACHIEVEMENT "LEVEL 69! ACLOMPISHED!
ME:69 69 69 69 69 696 696 6969696969696996969
FRIEND 69699696969699696699699696969696969
FRIEND 2: 69999999999969696969696996969696969
FRIEND 69699696969699696699699696969696969
FRIEND 2: 69999999999969696969696996969696969
by brumydogdied69420 November 19, 2021
by HELPICANTFINDANAME October 26, 2019