I got an airbrush tattoo for fun, but yeah, tattoos are semi-forever- I've heard the laser removal is really painful and expensive. So one ought to think carefully before getting one.
Oh, and DFTT means "Don't Feed the Trolls"( by responding strongly to their provocation or flaming.) There's another item with the same acronym, but that's not relevant here.
Everyone has the right to be himself; wise men know how to,when, and whether to navigate the boundary between their rights and those of others when they collide.