Dead: not just an adjective

Chex Mix was on sale at the grocery. On a whim, I bought a bag of the Chocolate Turtle for the oldest. Oh my stars. It's not just tasty. It's dead tasty. Also dead unhealthy, I'm sure.

dead
adverb
1. Absolutely; altogether: You can be dead sure of my innocence.
2. Directly; exactly: There's a gas station dead ahead.
3. Suddenly: She stopped dead on the stairway.
"dead." The American Heritage® Dictionary of the English Language, Fourth Edition. Houghton Mifflin Company, 2004. Answers.com 11 Dec. 2005. http://www.answers.com/topic/dead