no thoughts
blissfully empty
the one-line answer
Complete mental blankness. Nothing is being processed.
No thoughts is the shorter form of no thoughts head empty. Your mind is completely blank. You are present but nothing is going through your head. Used humorously to explain unthinking behavior or a state of rest.
mainstream
Your coworker might use this word.
01 / in the wild
hear it move.
description
I just stared at the wall for an hour. no thoughts.
I was completely zoned out with nothing going through my mind.