RPG
The English word “RPG” has 2 meanings listed here.
verb
Etymology
Initialism. When applied to a "rocket-propelled grenade" it derives from Russian РПГ (RPG), initialism of ручно́й противота́нковый гранатомёт (ručnój protivotánkovyj granatomjót, “hand-held anti-tank grenade launcher”), of which "rocket-propelled grenade" is a backronym (though an accurate description of the weapon system).
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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.