tongue to lip ratio 

Tongue to Lip ratio when making out is the best indicator for a guy to determine is the woman is on the wrag.

The tongue to lip ratiowith that chick at the bar was lacking...definitley on the wrag.

tongue to lip ratio by wcurry96 June 22, 2011

Golden Ratio 

When a groupie fucks every member of any particular band.

"Marla has fucked everyone in The Rolling Stones except Mick Jagger, once she's fucked him she will have the golden ratio."

Golden Ratio by Miss Bob March 16, 2010

aspect ratio

A size of an image or a video.
Computers use 16:9 - phones use 9:16 - movie trailers use 21:9 - while old TVs use 4:3
But there are other sizes with different aspect ratios

This mountain image has an aspect ratio of 4:3

aspect ratio by dgfhgfdcghghfgghhhgggghhhhhhhh July 12, 2021

Chick : Bro Ratio 

The ratio of how many female friends you have, to the amount of how many male friends you have, indicating ability to attract females.

One guy: Woah, Bruun has such a high chick : bro ratio,

Chick : Bro Ratio by lastmotherfuckerbreathing December 18, 2011

dick to ass ratio 

The ratio between the length of one's dick and the length between the scrotum and the anal region (presumably the anal opening).

That guy's dick to ass ratio is at least 13:7.

dick to ass ratio by FistingJamboree August 13, 2017

what does ratio mean? 

This

Joe: ratio

Dumbass:what does ratio mean?

Joe:( ͡° ʖ ͡°)

👅

what does ratio mean? by Ck'Crimson April 26, 2021

Kill yourself ratio (kyr) 

statistics that show how bad a situation is that one is partaking in

Dude, my Kill yourself ratio (kyr) is flying off the charts!

Kill yourself ratio (kyr) by ibetrollin435 October 18, 2010