Here’s a tongue piercing from a couple years back. With tongue piercing, it isn’t always possible and a consultation prior is necessary to detect the vein make up of your tongue. If it is possible, I always pierce with a 1.6mm x 20mm titanium bar. Your tongue will swell immediately (tongues swell, pierced or not pierced) and you can expect some discomfort for several days. Within the first two weeks you will see swelling, probably be on liquid foods and occasionally people pick up a temporary lisp. Return in a minimum of two weeks for a shorter bar change down as part of the service. This photo was taken after the second bar was fitted.