Green’s Dictionary of Slang

soyboy n.

(US) in terms of male hierarchy, a weakling, a failure, one who, lit. and fig. ‘does not eat meat’.

[US]A.N. West ‘Bang the World’ at thebaffler.com Jan. 🌐 [T]he cucks, soyboys, and simps must work shit jobs in the vain hope of impressing subpar emasculating Western femoids.