Some things are universally considered bad ideas. Dating a coworker. Eating certain foods on a date. Drunk texting an ex. And, of course, tattooing a partner's name to one's body. TikToker @..ashlyn.grace didn't seem to get the memo on that last one, and made a very, very large and very permanent mistake that goes all down her back. YALL- Okay so the video before said that “I got a tattoo of my exes name and we broke up in a week” YALL. PLEASE pic.twitter.com/CyWFZig0QS — jordy (@BROCKSQUADD) O…