Adjective: A combination of the words "rediculous" and "dank", it is beyond normal rediculousness. Usually used to discribe something ghetto or just plain amazing.
Often used the the adjective "fucking redankulous". Greatly amplifies another adjective when used "redankulously".
"Those shoes are fucking redankulous"
"That sandwich is redankulously big"
"Did you see that touchdown? It was fucking redankulous!!