Definition of "fatty" in English

adjective

1. Containing, composed of, or consisting of fat.

   • fatty tissues
   • fatty meats

2. Like fat; greasy.

3. Of or related to fat.

   • fatty acid
   • fatty alcohol
   • 1849, Hippocrates (Translated by Francis Bacon), Of the Epidemics, Book II, Section 1. On the sixth, stools black, fatty, viscid, fetid; slept, more collected.

4. (slang) Literally or figuratively large.

   • I'm trying to get a fatty project done in a couple of hours right now.

noun

1. (derogatory, slang) An obese person.

   • It's hardly surprising, when it has to support that enormous gut! Lose some weight, fatty!

2. (slang) A large marijuana cigar; a blunt.

3. A type of game played with marbles.