猪突猛進
cho.totsu.mou.shin
Literally: boar – pierce – wild – advance
Alternately: A headlong rush. Reckless, thoughtless behavior. Charging forward without thinking or looking ahead. Acting with all the foolhardy and fury of an angry boar.

From a high-paced song called “Chou totsu mou shin girl.” It strikes me as being very, very Japanese in a pop-culture sort of way. The character seems to be popular, since she was in many of the top Image search results.