Found 2 items, similar to letter bomb.
English → English (WordNet) Definition: letter bomb letter bomb n : a thin explosive device inside an envelope or package and detonated when opened [syn: parcel bomb, package bomb] v : send an explosive to; “The Unabomber letterbombed a number of individuals and institutions”
English → English (gcide) Definition: letter bomb letter bomb \let"ter bomb`\, letter-bomb \let"ter-bomb`\n. A bomb disguised as a letter and sent through the mail, usually rigged to explode and kill or harm the recipient when opened. [WordNet 1.5]