I'm officially ADHD-PI (formerly ADD) and medicated, so I guess I don't have this particular tendency, but my wife is diagnosed ADHD-C, unmedicated, and also struggles with identifying her emotions in the moment due to an unconventional upbringing. She does this literally any time she's experiencing a negative emotion (embarrassment, anger, feeling hurt, etc.) and can't identify it.
We've gotten better as a team at dealing with it, but it's always on me to recognize when it's happening and initiate the mediation, so it's really exhausting, sometimes.