Heater
A fastball
Example
I would never bat against Nolan Ryan, his heater would make me wet myself
Related Slang
| Heat | A high velocity pitch |
| ERA | Earned run average |
| MLB | Major League Baseball |
| AL | American League |
| NL | National League |
| AB | At bat |
| RBI | Runs batted in |
| IAWMP | I almost wet my pants |
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A term that refers to an impressive fastball thrown by a baseball or softball pitcher; often reaches over 100mph; fearsome heater-throwing pitchers include Randy Johnson, Aroldis Chapman, Joel Zumaya, and Nolan Ryan.