Ehmkay. A way of saying okay, but usually with some doubt, boredom, or confusion.
Person 1) "I LOVE CUPCAKES!"
Person 2) "ehmkay...?"
Person 1) "Let's go jump off a cliff! Naked!
Person 2) "emkay.."
Person 1) Blah blah blah. I'm so boring. But I like you. So I'm going to keep talking. Don't go away. Did you know my shirt is blue? I heard you like the color blue. My eyes are blue too. Hah! I'm so cool! I'm cute too! But not as cute as you. Blah Blah Blah.
Person 2) "ehmkay...."