a blow-by-blow account, description, etc. (of something)idiomPart ofaccounta blow-by-blow account, description, etc. (of something)a blow-by-blow account, description, etc. (of something) — idiomidiom1. A very detailed report of an event that tells every step in the order it happene1.idiomDefinitionA very detailed report of an event that tells every step in the order it happened.ExampleMaya gave us a blow-by-blow account of the entire basketball game.Did you hear Diego's blow-by-blow description of the car chase?