Top definition
When your eyes turn Japanese from squinting when someone turns on a bright light in a dark room
I was trying to sleep on the couch when my roomate flicked on the lights, I woke up and went straight into Japilepsy bro.
by TH3-ST3V July 16, 2011
Mug icon

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