rotc jackhammer Share definition Flag When you wear a Army uniform and a strap-on while have sex with your lady. "Damn man last night I give the trick the ROTC Jackhammer and she came in second" rotc jackhammer by Sgt . Skeeter March 16, 2008 0 0 Get merch Get the rotc jackhammer mug. Buy Now — $32.95 See more merch