Definition of flamer in English:

flamer

noun

informal
  • 1Computing
    A person who directs a vitriolic or abusive message at someone on the Internet or via email.

    ‘it's critical for bloggers to get used to flamers’
  • 2US offensive A homosexual man, especially one regarded as ostentatiously effeminate.

Pronunciation

flamer

/ˈfleɪmə/