Note: Heavy spoiler ahead!
This tag is loosely translated into "Mami chomp", with "mogu mogu" as the onomatopoeia for chewing.
Use this tag for posts with explicit reference to that scene in Episode 3 of Mahou Shoujo Madoka Magica. The general depictions are:
Because of the nature of this tag, please add the spoilers tag as appropriate.
The name came from the runes appeared during Charlotte's labyrinth scene.
The related Japanese terms are: