The completely irrational but totally relatable fear of pressing the "Enter" key—because once you do, there's no going back. Symptoms include excessive proofreading, hovering over the keyboard like a bomb defusal expert, and dramatic gasps when an accidental Enter sends a half-typed message into the void.
I meant to type ‘Hey, boss!’ but enterphobia made me double-check… good thing, because I almost sent ‘Hey, BOSSFIGHT.’