(figuratively, offensive, sometimes) Exhibiting an obsessive tendency.
Three years and you still have your ex's things? Lizzy, I knew you were uptight and OCD, and often humorless. 2015, “Out of the Closet”, in One Big Happy, season 1, episode 2, spoken by Prudence (Kelly Brook):
So I wanted to get us some simple takeout but of course, I started obsessing over what you'd be in the mood for. Hence, we have the OCD buffet of sushi, steak, and pasta. 2020, Leigh Whannell, The Invisible Man, spoken by Adrian Griffin:
All of which is to say – my OCD is back. For those of you who have not had the displeasure, OCD stands for Obsessive Compulsive Disorder and it is an absolute arseache. Again, at best. Utterly debilitating and life-ruining at worst. 2025 October 20, Lucy Mangan, “My OCD is back. It's exhausting and awful, but this time I'm ready”, in The i Paper, archived from the original on 03 Nov 2025:
(abbreviation, alt-of, initialism, uncountable) Initialism of osteochondritis dissecans.