Your browser does not support grid, so will not be supported. Hover over your browser version to see if there is a way to enable potential support. Sorry, I am no longer able to justify working on making the layout work on older devices.
Just a Japanese martial arts kiai shout. Though that specific way of spelling it (呼ッ) is unique to Orochi Doppo when performing his version of the karate sanchin-kata 'stance'.