off your own bat
idiomPart ofbat
off your own bat — idiom
1. without anyone asking, suggesting, or helping you — the idea and effort are enti
1.idiom
Definition
without anyone asking, suggesting, or helping you — the idea and effort are entirely yours.
Example
Nikolai raised three hundred dollars for the shelter off his own bat.
The intern fixed the broken database off his own bat over the weekend.