(Example A)
Male 1: MAH DICK FELL OFF

(Example B)
Male 1: MY CRAZY EX CUT MY DICK OFF

(Example C)
Male 1: *banging a male/female*
Female/Male: FUCK YEAAAAAAAH— RIGHT IN THE ASS WITH YOUR DICKKKKKKK

(Example D)
Person 1: This is the fourth example

(Example E)
Male 1: Wanna see my dick?

(Example F)
Male 1: This is my prized possession. Like what you see?

(Not an example)
The d can be used in more ways, these are just the main ways :)