look up any word, like kappa:
 
2.
ridiculously shitty

When something is so ridiculous and so shitty, it is ridiculously shitty or shitdiculous.

Can be compared to:
ridiculous meaning unbelievable
ricockulous meaning more unbelievable than ridickulous
The movie "The Day After Tomorrow" is shitdiculous
by Brian Phillips April 08, 2006
 
1.
Something that is ridiculous and shit at the same time.
'Holy shit, that shit be shitdiculous'
by Xenochria April 28, 2008