First off the bat

Chris Hayes from MSNBC’s All In with Chris Hayes utters this one at the 1:40 mark:

This is a mashup of “first off” (first of all, before anything else) and “right off the bat” (immediately). “Right off the bat” seems to be an idiom that is mixed quite often. See, for example, and The mind is going batty with these malaphors. A big thanks to Frank King for hearing this one and sending it in!