Interesting comments ~ but why would Blow the man down be used on board ship? was it just a word filler inner?

within the song "as I was a walking down Paradise St (Liverpool) story unfolds and the sailor's perceived animosity to him as being an unworthy second class citizen leads him to seek retribution by the only way he knows ~ by thumping. striking, blowing his detractor down

But then does Blow the man down have a place at sea?

Ray