decrepenis 

1)A medical syndrome in which the penis has worn out with the passing of time.
The skin of the penis may sometimes become floppy, wrinkly, and will often appear dry.
2)A penis that can no longer attain an erection, due to old age or over use.
Word origin: decrepit and penis

"Professional slut: I fucked an old guy yesterday for a business promotion; he had a real nasty decrepenis."
"Doctor: I'm afraid you have been diagnosed with Decrepenis syndrome"

decrepenis by Mr Weegels September 27, 2006

Decrepence 

Similar to Decrepit including -ence: suffix denoting a quality or an instance of it
- filthy or old
- worn out or ruined because of age or neglect
- dirty

I was pulling out some things from the attic and ended up with some sort of decrepence all over me.

Decrepence by Edins DJ July 1, 2020

Decrepolis

A decrepit city or a declining city.

Man, what happened to New York City, it's become such a decrepolis.

Decrepolis by Mantaman March 3, 2023