Bacalhao is salted codfish. Can't find it as a location.
You've been at the jar- Ditital? Third verse- Baffin mis-spelled.

Hear a clip of Eddie Primroy singing the sons at the MacEdward Leach site: Jack Was

"Composed in the U. S. in the 1880s as part of a theatrical parody of Gilbert and Sullivan's HMS Pinafore. Popularized in a recording by Frank Crumit in 1928." From MacEdward Leach and the Songs of Atlantic Canada, website linked above.