1 definition by Chet Erickson
To conceal an item by stowing it under one's taint, utilizing the rear of the scrotum as a means of securing the article.
The theif attempted to fanny pack an avocado from the convenience store.
I will fanny pack that reefer into the venue.
I will fanny pack that reefer into the venue.
by Chet Erickson July 3, 2007