Definition of "sissyfication"

The spirit of adventure is supplanted by "all the comforts of home". The progressive "sissyfication" of the American people is abetted.

1938, Conservation, volumes 4-5, page 15

Indeed, with the internationalization and “Europeanization” of the NHL, many Canadian traditionalists feared the game's violent character might change and that hockey's internationalization might mean its “sissyfication.”

2001, Andrei S. Markovits, Steven L. Hellerman, Offside: Soccer and American Exceptionalism, Princeton University Press, page 96

I showed Mickey Mantle, Johnny Unitas, Wilt Chamberlain, Ray Nitschke, Oscar Robertson and Don Meredith, all in one television spot crying for their Maypo and shedding likelike tears, here was the ultimate sissyfication of the American macho sports hero, […]

2013, Allen Barra, Mickey and Willie: Mantle and Mays, the Parallel Lives of Baseball's Golden Age, Crown Archetype, page 354