speedball noun 7verb 2forms 3 noun7 •(slang) A mixture of heroin and cocaine or sometimes other drugs.This being Camden, every passing pisshead and stoner had a theory: bad E, dehydration, alcohol poisoning, probably done a speedball. — 2016 •A competitive variant of paintball with an equal playing field, contrasted with woodsball. •A fastball. •Synonym of speed bag (“type of punching bag”). •(slang) Coffee with espresso. •An improvised adhoc airdrop resupply pack, composed of ammo, food and water, and other supplies, stuffed into a body bag or duffle bag. •An Egyptian racquet sport. verb2 •(slang) To take heroin and cocaine at the same time. •To occur fast, as if trying to finish as soon as possible.His words start to speedball. “Youneedtobestillwhenyou're inthere.” — 2009 formsspeedballed · speedballing · speedballs