Robby dick

A Robby dick is a commonly used term in American civil construction it is a unit of measurement. Consisting of 3.3333 tenths of a foot, or 4 inches. This term is commonly used while preparing grade for sidewalks. The term was coined on December 16th 2017 when a Civil superintendent in boardman oregon was being teased by his lead operator Riven fenton. And from that day forward the term has taken off in the United States.

“Hey how thick is this sidewalk?”
“Use your brain, it’s one Robby dick”

“Damn gurl ima give you 3 Robby dicks”
“Okay creep”