speedball

noun

1. (countable, 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.”

2. (countable, slang)Coffee with espresso.
3. (countable)A fastball.
4. (uncountable)A competitive variant of paintball with an equal playing field, contrasted with woodsball.
5. (uncountable)An Egyptian racquet sport.
6. (countable, uncountable)An improvised adhoc airdrop resupply pack, composed of ammo, food and water, and other supplies, stuffed into a body bag or duffle bag.
7. (countable, uncountable)Synonym of speed bag (“type of punching bag”).

verb

1. (intransitive)To occur fast, as if trying to finish as soon as possible.

   “His words start to speedball. “Youneedtobestillwhenyou're inthere.””

2. (intransitive, slang)To take heroin and cocaine at the same time.