Dirty Myrtle~
Meaning: This can be either sex, but we rather see it on a woman! Having a wet bottom / ASS and the process of getting it covered with Beach Sand! Just hoping not to get any inside her openings below too!
Example: This playful and beautiful Beach goer enjoys doing lots of dirty myrtle and having pics taken to prove it!

If You ever look Up Urban words, not many can be used in this tread and honestly make no sense just to their Inventor!