Get with the program or the next attack would be a “mushroom cloud.”
Fail, and most experts think it is just a matter of time before one of these capitals disappears in a mushroom cloud.
He went to Richland High School, whose mascot was the Bombers and whose logo was, and remains, a mushroom cloud.
Then a 20-story-high mushroom cloud of smoke came rolling up the street toward us.
The appearance of the magma under them, almost like a mushroom cloud in shape, was pretty ominous.