interjection. See you in the morning-ish-y.
Real citation: "Ok, why the frick am I still awake and playing around online. I posted a few cool posts, so check 'em out. Goodnight-esque-ish."
(Sept. 28, 2009, MairHeard, Twitter, http://twitter.com/MairHeard/statuses/4436382830)
Made-up citation: "Goodnight-esque-ish to you, Dr. Vargas! When you wake up, you'll be my butler in hell, just as you were always destined to be! Damn you!"