Dongledorffe

n: someone who refuses to admit that they're wrong or in the wrong, even when they themselves know that they are, because they're too prideful and embarrassed to admit that they're stupid.

v: when someone refuses to admit that they're in the wrong due to pride or stupidity.

n: "Ethan is such a dongledorffe, like just admit you're wrong idiot"
v: "If you keep dongledorffeing, these arguments are never gonna end"