BANG-UP Meaning of BANG-UP in English I. ˈ ̷ ̷ˌ ̷ ̷ adjectiveEtymology: bang (I): first-rate , excellent a bang-up jobII. noun( -s )Etymology: origin unknown: a heavy overcoat Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012