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1.
1. REE-DYS-QUE-LET adjective/adverb: Something extreme or out of the ordinary. Can be used to mean extremely good or extermely unfavorable or unlikeable
example one:
Jay: Damn bee, that Lil' wayne show last night was legit !

Zee: I know bro, that shit was Ridisulout!

example two:
Kid: EFF! man, my math teacher gave me a D on this project.
Cudi: Wat a b*tch, that's Ridisculout!
by Ca$h nerD February 08, 2010