posh steve

A useless/pointless wank ( masterbaition ) or other meaning someone who cant fight out of a wet paper bag.

Meaning 1.
Hey see that guy over there? He is a right posh steve.

Meaning 2.
Worker1: hows the new guy at work?
Worker2: he is okay but a bit of a posh steve.
Worker1: oh like r...
Worker2: yeah lol

Meaning3.
I'm not really horny but might have a posh steve soon ?