Top definition
Extreme fear or panic may cause someone's asshole to open and close (ocillate) at a high rate of speed. Hyperventalation of the ass.
When her husband pulled up in the driveway, John began suffering from acute hyperassilation. He grabbed his underwear and socks and ran out the back door.
by Rockhouse July 11, 2009
Get the mug
Get a hyperassilation mug for your mate José.