When people play loud music off their phone as they are walking along the street/sitting on a bus. Quite annoying really.
That guy with baggy jeans and baseball cap was playing a personal soundtrack of drum & bass off his phone as he passed me in the street. Hasn't he ever heard of headphones?
Japanese - 'To crush the eyes'.
Ninja tactic of creating havoc for the enemy by temporarily or permanently blinding them with powdered substances, leaving them vulnerable to a counter-attack.
"Prepare to die, ninja...OWW CAN'T SEE!! OH GOD I CAN'T SEE!!"