6.5th 

The ultimate subwoofer box design, that combines dual chamber ported box and 6th order serie designs.

You can play from under 20hz to +55hz frequency range with 6.5th order design.

6.5th by Decaf Astra June 2, 2018

65th

Better than 63rd

I’m from 65th your from 63rd.

65th by F ur herb November 13, 2020

65th base 

The act of shrinking to micro-size, climbing into an unaware girl's pussy, and kicking her clit with your mini legs.

Guy 1- I just made it to 65th base with Kate!

Guy 2- Wow, how did you get high enough to climb in?

65th base by thomas freeman bca 2011 January 4, 2010

64th / 65th 

if someone says your'e from 64th or 65th it means your'e valid and very cool.

"you from 64th / 65th"

64th / 65th by nigga0227 March 9, 2022