"The worst thing", but with more severity and vulgarity.

cf: crapness

Also used as an exclamation, in place of a swear word.
We'll have to get up at 5; but the cruddance is that we won't be seeing a bed again for 48hrs!

Cruddance! I just stepped on a cactus.
by JWBPhayz July 22, 2009
Get the cruddance mug.