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4.
Nose bleed seats are seats far away and high up on the stands. It comes from the real nose bleeding which occurs at actual high altitudes.
1: Did you see the Metallica concert. I was front row!!!
2: Lucky Bastard! I could only afford nose bleed seats.
by Naruto Phreek September 01, 2005
 
1.
A less embarassing but more irritating alternative to developing a boner.
by Lover Boy September 16, 2003
 
2.
Sometimes used in anime and manga, nosebleed means to become sexually excited. It's usually embarrassing and something the character will probably try to cover up. Though it normally is shown happening to male characters, female characters have also been shown having nosebleeds.
It is also a term used by fans, regardless of their type of fandom, to express finding something exciting sexually or hot.
Sailor Venus had a nosebleed just thinking about Yaten Kou in the anime version of Sailor Moon.

He quickly covered his face in an attempt to stop his nosebleed.

Girl 1: Oh my gosh, did you see the latest manga chapter?
Girl 2: Yeah, Ed looked so sexy in the chapter cover, I totally wanted to nosebleed.
by RSForever April 10, 2008
 
3.
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 nose bleed
by gunslingergirlvy_c_e January 02, 2006
 
5.
Seats in the nosebleed section of an arena or other sports stadium.
The only tickets left were for seats up in the nosebleeds.
by Arschlöchli October 14, 2006
 
6.
Something that happens to anime characters (particularly males), outside of hentai, when they are confronted with a sexually exciting situation.
Being confronted with a naked Ryoko and Ayaka, Tenchi couldn't help his nose bleed
by Tal April 17, 2005
 
7.
what one gets when a male sees a fucking hot female; an instananeous rush of blood to the nose (and also wordpenis) when one is excited by a member of the opposite sex.
The girl was so fucking hot I had a nosebleed.
by ryoko mitake August 27, 2003