The difference between Crappy and Snazzy

When used as adjectives, crappy means of very poor quality, whereas snazzy means elegant in manner of dress.

check bellow for the other definitions of Crappy and Snazzy

Crappy as an adjective (chiefly, North America, colloquial, mildly, vulgar):

Of very poor quality; unpleasant; distasteful.

Examples:

"That is such a crappy car."

"The referee just made a really crappy call."

"The food there used to be good but now it's crappy."
Crappy as an adjective (chiefly, North America, colloquial, mildly, vulgar, especially with "feel"):

Bad, sick, or depressed.

Examples:

"I'm feeling really crappy - I think I need some fresh air."
Crappy as an adjective (chiefly, North America, colloquial, mildly, vulgar):

Covered in crap (faeces/feces).

Examples:

"Put the crappy diapers in the blue pail and the wet ones in the yellow pail."

Snazzy as an adjective (informal):

Elegant in manner of dress; stylish, modern or appealing in appearance; flashy.
Snazzy as an adjective (informal):

Excellent; clever, ingenious, or adept in behavior, operation, or execution.