Top Definition
An unexplained, immediate anger attack or rage brought on by perceived incompetence by other people or perceived outcome that is not favorable to the egomaniac throwing the fit. O'reillying is usually accompanied with phrases such as, "Can't do it", "Go Go", "lets do it live" and "F- it"
“Damn I messed up my time sheet and my boss is O'reillying”
by Joe Mantis June 11, 2008

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