Ok.. this is 3 words, but did you know it had a name?

Photic sneeze reflex also referred to as sun sneezing or even whimsically as ACHOO syndrome. Photic sneeze reflexis a medical condition by which people exposed to bright light sneeze. It can also cause one to sneeze many times consecutively. The condition occurs in 17% to 25% of humans, with more common occurrence in Caucasians than others.