A theatrical cartoon short I remember from when I was very young, possibly from the 1930s. It was about pirates as I said and the only things I could remember was the song, which had the words "deep blue sea" in it for obvious reasons, and one other thing was something I never would've realized at the time, but might have been a depiction of a homosexual in the 1930s. I honestly thought it was supposed to be a lady, but thinking back on it that might have been what it was.
I recall the homosexual singing along to the song before narrowly avoiding a bunch of knives thrown at them, which either was an indication that the pirates were homophobic or the creators themselves were homophobic which would've been very likely of the time. I actually found a different pirate short of the time called "King Neptune" where a similar thing happened. A homosexual was singing along to a pirate song until a jug was thrown at them, but it definitely wasn't the one I remember because it was a skinny guy not a fat one like in the "King Neptune" short.