1 definition by swayzee84
It a mixture of methamphetamine and heroine to be used intravenously. Its name comes from ("Speedball" witch is a mixture of cocaine and heroine).
Mark shoots up a goofball every morning to get his day started, like a drug free person would drink a cup of coffee.
by swayzee84 September 05, 2020
Get a Goofball mug for your bunkmate Julia.
