mail ‧ bomb /ˈmeɪlbɒm $ -bɑːm/ BrE AmE noun [countable]
a large number of email messages sent to the same computer, with the result that the computer has too much email and cannot work properly any more
mail ‧ bomb /ˈmeɪlbɒm $ -bɑːm/ BrE AmE noun [countable]
a large number of email messages sent to the same computer, with the result that the computer has too much email and cannot work properly any more
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012