A pachimari is a kind of cute tentacle onion, coming from Overwatch. It is a soft toy that makes pouic.
Roadhog and Junkrat stole many Pachimaris, that made a lot of pouic.
"Syahial" is a word used to describe someone who is a stereotype of a Genji main. One of his main features is his cry: "I need healing!"
A random Genji commits suicide by rushing in the enemy, then asks for heal. This is a syahial.