A condemming put-down. A cooler take on the term soft cock. A more laid back variant on the phrase describing a male who is less than manly in that he cant get, or keep a hard-on. With this being so, he is unable to perform his manly duties. Let blatently offensive (cleverer?) than soft cock.
Man, what a soft tube that guy is.
See wimp, erectile disfunction, soft cock, softcock