What does "speedball" mean?

A mixture of heroin and cocaine or sometimes other drugs.

What is a synonym for "speedball"?

Common synonyms include: speed bag, over and under, powerball.

noun, verb, slang

noun, verb, slang ·Moderate ·College level

Noun

1
A mixture of heroin and cocaine or sometimes other drugs. countable, slang
"This being Camden, every passing pisshead and stoner had a theory: bad E, dehydration, alcohol poisoning, probably done a speedball."
2
Coffee with espresso. countable, slang
3
A fastball. countable
4
A competitive variant of paintball with an equal playing field, contrasted with woodsball. uncountable
5
An Egyptian racquet sport. uncountable

Show 2 more definitions

6
An improvised adhoc airdrop resupply pack, composed of ammo, food and water, and other supplies, stuffed into a body bag or duffle bag. countable, uncountable
7
Synonym of speed bag (“type of punching bag”). countable, uncountable

Verb

1
To occur fast, as if trying to finish as soon as possible. intransitive
"His words start to speedball. “Youneedtobestillwhenyou're inthere.”"
2
To take heroin and cocaine at the same time. intransitive, slang

"This being Camden, every passing pisshead and stoner had a theory: bad E, dehydration, alcohol poisoning, probably done a speedball."

From speed + ball.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.