Green’s Dictionary of Slang

1. verbose official talk.

1926

Galsworthy Silver Spoon 252: Next came the usual ‘shivaree’ about such and such a case, and what would be taken next, and so on.

2. abuse.

1967		M. Braly On the Yard (2002) 37: It seemed to Manning that every prisoner in the big yard had joined in the shivaree [...] jeering mouths wrenched open under the stiff-billed hats.
1972		(con. 1916) G. Swarthout Tin Lizzie Troop (1978) 45: They had no right to mortify him before his men. Another such shivaree and Stanley Steamer could kiss discipline good-by.