1
- US term for LETTER BOMB.〈美〉同LETTER BOMB.
2
- an overwhelmingly large quantity of e-mail messages sent to one e-mail address邮件炸弹（指向某个电子信箱发送的数量极大的电子邮件）。
(mail-bomb)with obj.
- send an overwhelmingly large quantity of e-mail messages to (someone)向（某人）发送邮件炸弹。