The acronym used by chemistry students to help them understand the concept of reduction and oxidation in terms of electron movement between chemical species.
Oxidation Is Loss of electrons
Reduction Is Gain [of electrons{
A fart that exits and then lurks in the air for a minute or two then releases it's wrath for the world to smell. The key to this fart is the delay of the smell.
Miles let out a Brazilianoil rig which, when it was smelled, could be detected all the way from San Francisco.