I've been here for a very long time.

Castiel

Well that's great, because without your power, you're basically just a baby in a trench coat.

Dean

Dean: You know what this means?
Bobby: Yea, I didn't get a "soulonoscpy" for nothing.

Sorry you have me confused with that other angel. You know the one in the dirty trench coat who is in love with you. I don't care.

Balthazar

I think she turned me into a Jefferson Starship.

Dean

Really? You're going to use the "mother of the year" defense?

Dean

Bobby: You discovered it. You get to name it.
Dean: Jefferson Starships. Huh? Because they're horrible and hard to kill.

You know who whines? Babies.

Dean

Well now it just looks like you're pooping.

Dean

Bobby: I asked for a computer.
Sam: It is a computer.
Bobby: A computer has buttons.

Dean: Cas, get out of my ass.
Castiel: I was never in your...

Marshal Eastwood. Clint, Eastwood. This here's Walker. He's a Texas Ranger.

Dean

Supernatural Season 6 Quotes

How do you keep your lawn so green? C'mon Dean, you've never been what I call, Brady.

Yellow-Eyed Demon

It's like chicks specifically dig unavailable guys.

Dean