throw BBs

• Blend of throw +‎ BBs; an allusion to the pitches being thrown so hard that they look like, or are as hard to hit as, a BB pellet.

throw BBs (third-person singular simple present throws BBs, present participle throwing BBs, simple past and past participle threw BBs)

1. (baseball) To pitch exceedingly well, especially with high velocity pitches.
   • 2003, Mickey McDermott, Howard Eisenberg, A Funny Thing Happened on the Way to Cooperstown‎:

     But when I get up at the plate, he's throwing BBs at me. He strikes me out twice.