Top Definition
Used to refer to a work (often an animation, but can be otherwise) in which all the characters are fundamentally the same recycled design. Name refers to Japanese character designer Hisashi Hirai (Scryed, Gundam SEED) who has become notorious for designing entire casts using all of 3 different facial designs.
"What the Hell? I can't tell any of these people apart! This artist has a serious case of Hirai's Syndrome going."
by DrugLordKai January 10, 2005

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug