bomb
nounUK /bɒm/
US /bɑːm/
A bomb is a thing that blows up with a big bang.
The old bomb was found in the field and safely removed.
OTHER MEANINGS
2. A complete failure, especially a movie or show.
The new play was a total bomb and closed after one night.
3. To fail badly at something.
He bombed the test because he didn't study.
4. A large amount of money (informal).
That car costs a bomb.
5. To move very fast (informal).
She came bombing down the hill on her bike.