The best tool for masturbating. In other terms-Perfection!
Juan: Hey babe what do you use to masturbate?
Juanita: A concrete dildo it is the most amazing thing ever!
Despite the energy and resources spent to create it, it's not even worth the time to practically use it
"Hey! Did you see the new JC Penny's they just built?"
"Didn't they go bankrupt?"
"Exactly! Another concrete dildo for the neighborhood!"