Difference between Intumescent and Puffy

Intumescent

Part of speech: adjective

Definition: That becomes swollen, especially upon exposure to heat

Puffy

Part of speech: adjective

Definition: Of or pertaining to puffs or puffiness; being pillow-like, exhibiting swelling, inflatedSpeaking or writing in an exaggeratedly eloquent and self-important manner

Example sentence: I'd like not to have these great puffy lobes on my ears - I'd like them to taper in.