the anime version of an erection (well, in most anime thats appropriote for ages 16 and below), were a male character will bleed profusely from the nose when sexually excited. seeing that girls dont have erections and they cant show her panties getting wet, girls experience extremely red blush across their faces.
iruka sensei experienced naruto's sexy no jutsu and had a nosebleed
punching someone in the nose then punching someone in the thorat until they collaspe..
I got into a fight. I punched him in the fucking nose until he was bleeding, then i choped him in the throat. Thats a nose bleed thorat chop call the fucking ambulance..