This is a term that is used when one is trying to explain their or another's status of intoxication when they have been drinking and are faded(high) at the same time.
A suffix added to the end of any word or name to express positive feelings about that thing or person. Anything that is a drade is inherently good. Drade refers to something being glorious.
What's up Rafdrade?" "Not much Mikedrade, you're looking glorious today my friend" "Not as glorious as those titdrades