FYIM
Fuck you, it's magic!
noob: How can some demons and dragons fly with holes in their wings?
anti-noob: FYIM!
anti-noob: FYIM!
FYIM
"Fuck Yeah It's Magic!". Used to definitively endorse the view that something is indeed magical in nature.
Person A: My god, it's magic
Person B: Fuck yeah it's magic!! (FYIM)
Person B: Fuck yeah it's magic!! (FYIM)