Gimmie the hook and gimmie the line,
Gimmie the gal they call Caroline;
Sal went a-fishin and she fished all day,
Caught a little hogfish and let it git away.

Dad said this was just dittywords, thrown in occasionally when some banjo picker was practicing on the particular run in that tune. It was a simple tune with few notes, so was a good "learning piece."
It probably was a longer song- but these lines were all we ever heard.