"No blockers" as a funny sign-off phrase akin to "Bye", sure. But I've seen teams explicitly ask "Do you have any blockers?" 1. If I did, I would have told you

"No blockers" as a funny sign-off phrase akin to "Bye", sure. But I've seen teams explicitly ask "Do you have any blockers?" 1. If I did, I would have told you a long time ago when it became a blocker. 2. If I somehow forgot to tell you a long time ago, I would have told you when I did my standup comedy^H^H^H^H^H^H routine. 3. If I still somehow forgot after all that, it doesn't matter.