Definition & Meaning of "fag-lamer"in English

What is the origin of the term "fag-lamer" and how is it used?

Fag-lamer is a slang term that appeared in late 20th–early 21st-century online English to describe a person who attacks others online by calling them gay as an insult. The term combines "fag," a derogatory word for a gay man, with "lamer," slang for someone who is incompetent, annoying, or socially inept. Literally, it labels someone as both offensive and ineffectual, emphasizing their habit of using "gay" as a weapon in arguments or trolling. Historically and today, it is derogatory and insulting, used to criticize people for being hostile or obnoxious online.