A Lowlife FameFag is a type of person that thinks they're a better person ever all because they have more followers than you on any social media just to assert their dominance. They'll mostly be found lingering on the internet.
Person: "Hey how are y-"
Lowlife FameFag: "HOW MANY FOLLOWERS DO YOU HAVE ON SOCIAL MEDIA?"
Person: "I have like, I think 12."
Lowlife FameFag: "OH WELL I HAVE 13 SO IM WAY MORE FAMOUS THAN YOU"
Person: "I don't care about how many followers I have on social media. It's just the interne-"
Lowlife FameFag: "I'M A BETTER PERSON THAT YOU ADMIT THAT!"
Person: "Wow. You're such a Lowlife FameFag."