What is Writer's cock?

When you can't seem to finish writing a song or poem that is sure to get you laid upon completion

-"So when you showed Laura that poem you wrote her, did you get some?"

-"No I got writer's cock block half way through, and couldn't finish"

Writer's cock - video

When you are to horny to be able to form legitimate thoughts to write anything.

I couldn't write because I was stricken with writer's cock

When a piece of writing is sooo good it gives you a boner, erection, chubby, woody, etc.

I was writing my auto-biography, it was so good it gave me writer's cock!

When you are trying to write a paper but you can't because you're too horny and all you can think all you can think about is blowing your load.

"Did you finish the paper yet?"
"No, I have writers cock. I need to blow this load."

when you can't finish a paper because you're too busy doing porn on the internet.

"dude, did you finish that essay last night?"
"nah buh, i had such bad writer's cock. i didn't do shit."