Still inappropriate. Speak to HR if you have one.

At least he's doing it in the privacy of the bathroom. (Even though he should do it in the privacy of his home).

American bathroom stalls are nowhere near private enough!

Too many negative votes, comment buried. Show the comment

Awkward.

Did he shake your hand at the meeting?

Maybe next time you should leave well enough alone.

Wait how did you found out it was him?!

Maybe he walked out, couldn't find his boss and then saw the boss leaving the bathroom. I doubt he peeked into the stall, but who knows anymore...

Studies show sexual relief during the work day improves productivity and morale

Especially for the person in the next stall.

It's best to keep your mouth shut about that kind of shit