The phrase thanks fam became common in casual online speech in the 2010s, with fam used as a friendly term for close friends and followers. Short spoken clips like this spread through soundboards, meme pages and streaming communities because they work as instant reactions without needing context. This version stays popular for its brevity, it can be dropped into a chat, a live stream alert, or the end of a short video as a sign-off. Its appeal is timing rather than production, a familiar greeting of gratitude that viewers recognise immediately.