right off the bat


Instantly, immediately, as in I can't tell you how many right off the bat, but I can find out. This term alludes to a baseball being hit by a bat. [First half of 1900s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.