Top Definition
The act of pleasuring yourself under your desk at work while a worker of the opposite sex attempts to discuss work related items on the other side.

Obviously this should only be done with desks that block the view of what you are doing.
Whenever that hot little number walks into my office with her shirt open and cleavage hanging out I have to otismathis myself for 20 minutes until I get some relief.
by MikeSixPack September 24, 2010
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