Lugworm 

A fat, limp penis. Typical the penis is a post ejaculation state. However, applies to any fat, limp dick.

After I got my nut, I smacked both her cheeks with my lugworm.

Lugworm by Eaton Holgoode March 6, 2017

dishevelled lugworm

A withered and deflated penis which is unable to undergo an erection.

Emmakins was unable to breath life into Ambrose's dishevelled lugworm.

dishevelled lugworm by slssfw April 24, 2005