Flatulence that is particularly explosive when it comes to sound and force, but ends quickly. Rarely, a blaff may be odorless; more commonly, the blaff is a symptom (some might say a benefit) of being mildly lactose intolerant. In such cases, the blaff releases an eye-watering stench not unlike that of a trash fire in a sewer. The word comes from the signature sound.
Mike: *chugs milk*
Rick: Hey, man, I thought you were lactose intolerant! Why are you drinking mi--
Mike's ass: BLAFF!!!
Rick: Dude, that's -- OH, GOD! OH, I -- MY EYES! I CAN'T BREATHE!
Rick: Hey, man, I thought you were lactose intolerant! Why are you drinking mi--
Mike's ass: BLAFF!!!
Rick: Dude, that's -- OH, GOD! OH, I -- MY EYES! I CAN'T BREATHE!
by Hellzapoppin' December 23, 2018
by sarahjames August 6, 2006