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Verb. A new tactic introduced by the San Diego Fire Dept circa. 2011,and continued into practice today, whereby your fire attack consists of going offensive, getting scared, going defensive for hours, then going offensive again and sending your men into an unsafe building. Famous examples include the University Ave and Kettlebell Gym fires.
"Hey man did you go to that fire last night?"

"Yeah, we burnt that place to the ground. It was a total doffensive fire"
by Sgt Shmuckleberry Hound June 21, 2013
A driver who goes in the fast lane and maintains a consistent speed by breaking the speed limit and not getting caught by cop
We came fast and we were doffensive all the way
by tintedwindow June 12, 2007