noun, one who inflicts pain and suffer to acquire discipline on or to, younger Marines to prepare for battle or to provide mission essential training through stern and meaningful yelling and guiding. To LEAD younger marines.
"hey you bad ass marine sergeant go PT these devil dogs so they can better their PFT and CFT!", Sgt Spamlet, Sgt Flippe; sharpening steel with steel; leading 6 marines into enemy territory with little means of survival and fullfilling the mission no matter what. the opposite of Sgt Cantino.