Definitions by Jamal Smith Nigga

Penanus 

The act of having a penis in your anus for at least one hour, preferably longer. The penis must also be at least 7.6 inches in length, and must be human.

"Ayo Jamal, hows that Penanus hanging in there?"

"My penanus is 13 inches long, fuck you!"

Penanus by Jamal Smith Nigga November 5, 2011