Green’s Dictionary of Slang

(US) the opposite; thus as adj. negative, oppositional.

1900		Ade More Fables in Sl. (1960) 114: Truly, it was a Happy Little Home, with the Reverse English.
1908		B. Fisher A. Mutt in Blackbeard Compilation (1977) 23: [heading] A. Mutt Starts for Foreign Land to Escape Horses, but Gets Reverse English.
1909		W. Irwin Confessions of a Con Man 79: Wire tapping [...] is only the reverse English on that game.
1911		S. Ford Torchy 277: Ah, say, reverse English on the tootsy business!
1912		Van Loan ‘Little Sunset’ in Ten-Thousand-Dollar Arm 102: The Apaches congratulated Bergstrom [...] with reverse English, after the fashion of ball players.
1919		Van Loan ‘Excess Baggage’ in Score by Innings (2004) 397: In between he did some reverse English boosting for the other boys.
1922		Bridgeport Times (CT) 8 June 10/3: [photo captin] ‘Throwing the Bull’ — With Reverse English — This cowboy [...] sought to ride this untamed bull, but [...] couldn’t keep his seat.
1957		‘Ed Lacy’ Lead With Your Left (1958) 105: Knowing I could spend the night with Susan [...] gave me a kind of reverse-English bang.