Definition from Wiktionary, the free dictionary
- (nautical) Man Over Board, used e.g. on the emergency button of a satellite navigator. By pushing the button the operator stores the coordinates of a man overboard incident for easy access.
- Missing On Blog: the act of abandoning ones blog (or weblog) for an extended period of time. Example: TheFlyingPinto.com
- (dentistry) Initialism of mesio occlusal buccal.