smoke bomb noun2 •A firework designed to produce smoke upon ignition.It was the morning of the Fourth of July and kids were lighting smoke bombs, sulfurous coils of red and green, the colors dense and bright like concentrated dye blooming through water. — 2013 •An explosive or incendiary device designed to emit smoke in order to mark a position or produce a smokescreen.Smoke bombs would be used. The thick fumes resulting from their explosion between the lines would cover our advance. — 1916 formssmoke bombs
