A punch thrown with a high amount of force. A very damaging punch when connected.
Damn, back in the day, George Foreman use to throw them heaters.
guns are usually heaters , but drugs are also called heaters or the heat
if the Mexicans come over , we gonna give em the money for the heat
they payed money for there heaters
A "heater" is commonly used in the 60s referring to a hand gun.
Dallas: I carry around a heater if I'm ever jumped, hear me Johnny?