No one has a clear idea of what exactly it is - only its relative speed. Used specifically in reference to something that is faster.
Big-Dan's teeth are faster than a Nun's nugget... He even proved it on stage with Mischief Movie Night In!
by TattooedCookie February 1, 2021
Get the Nun's nuggetmug. by Trunchbull1969 January 30, 2021
Get the Faster than a nun’s nuggetmug.