turdcumference 

Circumference of a turd

or

a non SI unit of measurement, like one hand breadth or royal cubit. It the length of a turd.

turdologists measure turdcumference & collect data for the entire population

Jimmy has bought a farm in Massachusetts. It has a turdcumference of 22200 turds.

turdcumference by Jumbled McGobbledygook April 18, 2021

Turkumference 

Measurement of the circumference of a turkey. Notably, the girth of the protagonist in the film Thankskilling and Thankskilling 3.

John wondered why Stacey compared his penis to the turkumference of Turkie as he devoured wanda lust's neck

Turkumference by Rick Charound November 15, 2017