fatty

From Wiktionary

Word parts[change]

fat + -y

Pronunciation[change]

Adjective[change]

Positive
fatty

Comparative
fattier

Superlative
fattiest

  1. If something is 'fatty, it contains fat.

Noun[change]

Singular
fatty

Plural
fatties

  1. (countable) (derogatory) (slang) A fatty is an obese person.