synonymous with over working. Someone who extends way too much effort for their job/work. In sports when someone plays over the top hard defense when down 50 or chases after every loose ball even though the game is over. In everyday life is when a low waged worker asks hundreds of questions and tries to overcharge and harass customers. In video gaming when a gamer works ridiculously hard on one task (like they mad dog trying to kill one specific player and disregard other tasks)
The McDonald's employee was mad dogging when he launched a small scale investigation of whether water was in my water cup.

Ryan was guilty of mad dogging when he obsessively hunted his brother in Battlefront.

Wallace was mad dogging on defense despite his team losing by over twenty points with his hard and dirty fouls
by KingOfTheStreets35 November 8, 2010
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mad dogging or dogface as its called in prison is a expressionless glare ostensibly used to intimidate but is actually often a way for gay men to recognise each other if its combined with other signals such as a lock of eyes
Mad dogging is a way for men who are not obviously gay to hit on each other.
by Choybalsan July 23, 2008
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To stare fixedly at someone in a hostile manner. Generally used to convey anger or disdain, can be a signal that a fight is about to happen.
That guy was mad dogging me after I got his girl friend's number.
by andrew April 26, 2004
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To stare agressively at another person in order to scare/intimidate
"He was mad dogging me so I knew he had a problem"
by Bazza89 July 21, 2008
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