hamburger bomb
n.— «He says terrorists—who have brought explosives on board more than 100 flights around the world since the 1950s (including the shoe bomb of al-Qaida agent Richard Reid)—have devised what’s called the “hamburger bomb,” which is Semtex or C-4 in the shape of a burger or chicken patty.» —“U.S. fears inside job at airports” World New Daily Oct. 21, 2006. (source: Double-Tongued Dictionary)