The phrase "megaton bombs" refers to extremely powerful explosives that have the ability to cause massive destruction over a very large area. Full definition
This joyless, 10 - megaton bomb fails in just about every imaginable way, as well as some you couldn't possibly imagine. (metacritic.com)
Jonathon Rosenbaum paid the legendary megaton bomb Sextette the ultimate backhanded compliment when he called it «the most chivalrous film ever made,» citing its willful obliviousness to the incongruous spectacle of the world's men falling over themselves to sleep with a then - octogenarian Mae West. (slantmagazine.com)
As we watch «The Master's final trump card being played, disciples being interrogated and megaton bombs -LSB-...] (flickeringmyth.com)