Sneezing in public.
When your favourite character dies.
I see this ALL THE TIME on Imgur.
I watched the pilot episode and didn't bother with the rest.
MRW It's the third Tuesday of the month and I'm waiting until 3:32am to start masturbating in front of my neighbor's sprinkler.
Why? For the glory of Kenshin of course!
Searched Mecha Hitler. Was not disappointed.