Meanings
Unknown, but possibly a use of pat (a light tap), in the sense of hitting the mark.
How to pronounce "off pat":
AU
Thoroughly practiced, rehearsed, or understood.
Example Sentences
1
He knows his lines off pat.
2
I've practiced this dance routine so much, I have it off pat.
3
She knows all the answers to these questions off pat.
4
The actor delivered his lines off pat without any hesitation.
5
After years of experience, she has this recipe down off pat.