1. A High Speed Pitch From A Pitcher On The Opposing Baseball Team
2. The State Police Term For A Afro- American Male. Used By Sliding 2 Fingers Up and Down Your Fore-Arm. Also See Deuce
1. That Pitcher Threw A 101 MPH. Fastball And Struck Me Out.
2. I Pulled A Car Over Last Night For D.U.I. And The Driver Was A Drunk Fastball...
When you place your hand in a cup-shaped form behind your ass. Then you fart into your hand and move your hand (still in cup shape) towards your friend / person's nose, carrying the fart in it. Hence a fastball.