Unless OP speaks Polish, it does appear to be a mispelling of an offensive term.
> In Polish, "Polak" simply means a Polish man (with "Polka" meaning a Polish woman).
> In English, the spelling "Polack" (and its plural "Polacks") is an old borrowing from Polish, but today it is generally considered a derogatory or offensive ethnic slur for Polish people
> In Polish, "Polak" simply means a Polish man (with "Polka" meaning a Polish woman).
> In English, the spelling "Polack" (and its plural "Polacks") is an old borrowing from Polish, but today it is generally considered a derogatory or offensive ethnic slur for Polish people