Zootimeter 

The width of a pubic hair.

Oh man! You missed that target by a zootimeter!

Zootimeter by Jonnyoxygen18 October 20, 2009

cootimeter 

The base unit of lenght in the Semi-imaginary System of Units that is equal to the lenght of a standard cootie egg.

A typical adult cootie is about 100 cootimeters in length.

cootimeter by Shapedoctor January 12, 2005