When one person is being or acting like a pussy. To the point that you can't call them a pussy anymore. So they tuck there dick under and act like they are Bufflo Bill from The Silence of the Lambs.
Jason: "Dude what is wrong with Mikey?"
Ty: "Who fuckin knows. He has been a dick tucker all day"
Ty: "Have you seen Trey today?"
Jason: "Nope! Mother fucker has been a dick tucker all week."