Definition of fat-shamer in US English:

fat-shamer

noun

  • See fat-shame

    • ‘But if an influential pop star with millions of followers can make compassion cool and make fat-shamers feel shame, it just might be worth it.’
    • ‘The dedicated fat-shamer was one of the first to lay into the star on Twitter, making several unkind remarks about her weight.’
    • ‘The contestant has blogged about being targeted by fat-shamers on Twitter.’
    • ‘He is a qualified hypnotherapist, but his upfront use of the word 'fat' has often seen him slated by plus-size campaigners who have branded him a fat-shamer.’
    • ‘She's been called a fat-shamer, among other names.’