The past tense of Jag is jagged.
noun. a slit in a garment that exposes material of a different color underneath; used in Renaissance clothing.
verb. cut teeth into; make a jagged cutting edge.
noun. a bout of drinking or drug taking.
noun. a flap along the edge of a garment; used in medieval clothing.
noun. a sharp projection on an edge or surface.
1. Noun, singular or mass Apply copious amounts of copper solvent to the patch and pass the jag through the barrel, taking care to never pass the jag back through the barrel once the cotton patch has breached the muzzle.