"ur mom libma" is an insult used by the internet, which means "your mom has ligma."
Ligma: fake medical term used by people on the internet to target a Twitch user named ninja.
ninja: a user on Twitch that plays Fortnite.
Fortnite: an TPS game
TPS: third person shooter
Ligma: fake medical term used by people on the internet to target a Twitch user named ninja.
ninja: a user on Twitch that plays Fortnite.
Fortnite: an TPS game
TPS: third person shooter
by pushpush December 1, 2018