A magic snippet to paste in your personal.py configuration, and the debug toolbar is only enabled for superusers that pass ?debug in the url!

debug_toolbar_setting

def show_toolbar(request):
    return request.user.is_superuser and 'debug' in request.GET

DEBUG_TOOLBAR_CONFIG = {
    'SHOW_TOOLBAR_CALLBACK': show_toolbar,
    'MEDIA_URL': '/media/debug_toolbar/',
    'INTERCEPT_REDIRECTS': False,
}