Crappy

useless
inadequate
inferior

Give me a crappy noun

Curvy

If you guys don't mind I would like to return to our original game. I'll give an adjective and it's definition, and you give me a noun that goes with it.

Curvy: wavy, shapely, winding

Cantankerous

disagreeable to deal with;
contentious;
peevish

Cranky

Easily irritated
Unpredictable
Unreliable
Eccentric

Chthonic

Dwelling in or under the earth; pertaining to the underworld.

Satan will not be allowed as an answer!! :D

CONSTERNATION (Yes..it's a noun)

Dismay
Worry
Bewilderment

Crunchy

Crisp
Brittle
Crushable