1.
Used to describe something that is completely ridiculous beyond comprehension
Could be used in a good way or bad way:
OMG Becky, look at her badonkadonk...it's redankadank
Did you catch Britney Spears' VMA performance? It was redankadank
See redankulous, crazy, stupid, insane, absurd, silly, retarded, amazing, redonkulous, ludicrous, ridonkulous, dumb, ricockulous, unbelievable, idiotic, outrageous, awesome, cool, preposterous, rediculous, ridonculous, foolish, lame, nonsense, ridic, sick, sweet, wack, bizarre, funny, laughable, recockulous, strange, weird, wild, bullshit, horrible, nuts, odd, redonculous