bomber

Etymology 1

bomb + -er

noun

1. (aviation, military) A military aircraft designed to carry and drop bombs.
2. A person who sets bombs, especially as an act of terrorism.
   The nail bomber who killed three people and injured dozens of others in a terrifying campaign last spring told police he was a homophobic Nazi, and that he hoped the explosions would "set fire to the country and stir up a racial war", the Old Bailey heard yesterday. 2000-06-06, Nick Hopkins, “The bomber who tried to unleash a race war”, in The Guardian
3. (clothing) Ellipsis of bomber jacket..
   A few years ago, the leather bomber was a gold mine for retailers and a gravy train for vendors. Consumers were crazy for them. 1991-03-18, Jeff Black, “The Bomber Jacket Is Taking Lots of Flak”, in DNR, volume 21, number 53, →ISSN, page 13
   First singer and guitarist Marcus Mumford, wearing a black suit, then bassist Ted Dwane, in leather bomber and T-shirt.[…] November 15 2012, Tom Lamont, “How Mumford & Sons became the biggest band in the world”, in The Guardian
4. (US, slang) A 22-ounce beer bottle.
5. Short for graffiti bomber.
   To bomb the system is to saturate MTA subway cars with one's signatures. ln the 1980s, certain writers were identified as bombers because they had mastered all disciplines of the form: insides, throw-ups, window-downs, top-to-bottoms, […] 2002, Ivor Miller, Aerosol kingdom: subway painters of New York City, page 195
6. (slang) A large cannabis cigarette.
   In Canada, marihuana cigarettes rarely contain any tobacco, and may vary in size from a few hundred milligrams up to a several gram "bomber." 2011, Vera Rubin, Cannabis and Culture, page 510
   That night, I swallowed the last of my pain pills, smoked a bomber, and let the drugs carry me away. 2017, Thomas Conrad, The Reunion

Etymology 2

A shortened form of bombproof.

adj

1. (climbing, slang) Completely solid and secure, usually referring to some form of protective gear.