Don Foreman wrote:

I've often wondered where that gangsta style came from. The right way
to hold a pistol one-handed, when pointing rather than aiming with
sights, is whatever's natural. For me, that's a cant of about 30
degrees from vertical. That may vary some from person to person
based on musculature and other variables.

I suspect that came from the same thought process that has them wearing their hat at crazy
angles.

Wes