Deja crap

An explicative used when you discover that your latest unique and brilliant thought has been posted on the internet, discussed, criticized and probably dismissed already.

Tom: "What do you call a pig with laryngitis?"
Dick: "I don't know, let me look it up on Google."
Tom: "Wait! ..."
Dick: "Here it is. The pig is disgruntled."
Tom: "Deja crap! I came up with that on my own just now!"
Dick: "Uuuhuh ..."