What is the meaning of Fluffy?

Covered with fluff.

Light; soft; airy.

Warm and comforting.

Not clearly defined or explained; fuzzy.

Lightweight; superficial; lacking depth or seriousness.

Someone or something that has a fluffy texture.

A person who is superficial, who lacks depth or seriousness.

A babycino (frothy milk drink).

Source: wiktionary.org