From Longman Dictionary of Contemporary Englishbe the bombbe the bombinformal to be very good or exciting That new P Diddy CD is the bomb. → bomb
Examples from the Corpus
be the bomb• Was the bombing a larger plot?• In the distance are the bombed buildings of the village.• The first item on the news was the bomb.• We got in there, and the first thing we noticed were the bomb craters.• I am concluding that these are the bomb babies of Tod Friendly's dreams. 