Fat Man was the nickname of the second atomic bomb used as a weapon of war. It was dropped over Nagasaki on 9 August, 1945.
That bomb was codenamed Little Boy.
Gadget
T.n.t ??
Little man
little boy.
Fat man :P
the bomb was nicknamed "Little Boy", and it used the element of uranium-235.
big boy
Fat Man
the Manhattan project
Manhattan project