My Favorite Scotty-ism
Episode The Trouble With Tribbles.
Epilogue shot, last 30 Seconds.
Kirk: "Scotty, did you get rid of the Tribbles?"
Scotty: "Aye Sir, I beamed them antoo the Klingon Engine Room."
Kirk: With his characteristic raised Eybrows. "Scotty! "
Scotty, "Sir, Twasn't ainy Tribble attall"
(ok Ok, I know someone will find the real dialogue online, but I still chuckle when I thin of it.)