Green’s Dictionary of Slang

listing to starboard adj.

tipsy, drunk.

1905		Bulletin (Sydney) 17 Aug. 17/2: The night my cargo of whisky shifted and gave me a bad list to port, I took myself and the remains of an argument into a public park to consider things. I slept. Then someone borrowed my hat and boots, and stole the cigar stump and the umbrella. I woke much relieved.
1916		O.O. McIntyre New York Day by Day 12 July [synd. col.] Out on the sands came a man in evening clothes [...] He had a list to the starboard but seemed quite happy.
1950		Gloucs. Echo 18 Apr. 6/6: List to Starboard [...] an ex-Navy man [...] was fined 10s [...] for being drunk while riding a bicycle.
1953		Berrey & Van den Bark Amer. Thes. Sl. (2nd edn) 114: drunk [...] listing to starboard.