fluffy

Short definition from Wiktionary

Adjective

1. 1
   Covered with fluff.
2. 2
   Light; soft; airy.
3. 3
   Warm and comforting.
4. 4
   Not clearly defined or explained; fuzzy.
5. 5
   Lightweight; superficial; lacking depth or seriousness.

Noun

1. 1
   Someone or something that has a fluffy texture.
2. 2
   A person who is superficial, who lacks depth or seriousness.
3. 3
   A babycino (frothy milk drink).

Proper noun

1. 1
   A given name for a pet with fluffy hair, often a cat.