Gum to Tooth Ratio 

The ratio of the amount of gum showing relative to the size of teeth when one smiles or opens there mouth.

I was on a date with this chick when she opened her mouth, and there was so much gum there, I couldn't even tell that she had teeth. overall, it was a horrible gum to tooth ratio

Gum to Tooth Ratio by suckmyd May 11, 2012

tooth to gum ratio 

When more gum than tooth shows in your smile

"Ugh, what an ugly smile, horrible tooth to gum ratio."

tooth to gum ratio by Just The Facts July 30, 2008

tooth to gum ratio 

the ratio of gums to teeth in a person's mouth.

If someone has large gums and small teeth that is bad tooth to gum ratio and vice versa.

"Damn his smile is kinda scary, it looks like he has baby teeth and adult size gums - total bad tooth to gum ratio!"

tooth to gum ratio by BeanSprout December 18, 2011