3 ms·
Original sense was a bomb big enough to blow up a city block. See http://www.wordorigins.org/index.php/more/173/ http://www.wordorigins.org/index.php/more/173/
by MaysonL 10y ago
Original sense was a bomb big enough to blow up a city block.
See http://www.wordorigins.org/index.php/more/173/ http://www.wordorigins.org/index.php/more/173/