During a round of wii sporting events. Whenever a person does a play that is sportscenter worthy it can be named as such. A normal reaction to a wiidiculous play is either amazement, shock, awe, or congradulatory.
Denoting over-the-edge ridiculousness as it pertains to life, and everything that happens in it; A form of awesome-ridiculous hybrid with an element of hilarity.
"Hey Chuck, did you hear about the man who fell from space last week? He went faster than the speed of sound!"
"Dude, Brian, that is waydiculous! I wish I could do that every day!"
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.