when a nerd see something hot that they cant comprehend like a naked girl on a cam or just get over excited about something dumb on the computer and the blood rush to there head
OHMYGAWD she's takin her bra off *nosebleed*
by Na'Tasha October 14, 2007
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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
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A less embarassing but more irritating alternative to developing a boner.
by Lover Boy September 16, 2003
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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
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a Filipino street slang that means running out of English words to say , or is in a state of difficulty understanding particularly English language. may sometimes be applicable aside from English like math problems.
I'm going to flunk trigonometry,I went nosebleed during the final exam.

Stop it man, I'm already having a nosebleed. (a comment to someone speaking in rapid fire English.)
by benryanlee November 12, 2011
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A very high stakes poker game where the stakes are so high players will nosebleed because of all the money swings if they are not prepared for it.
- Have you seen Durrrr yesterday in the nosebleeds
- Yeah he lost 2 millions.
- It's unreal man.
- Nosebleeds imo.
by kinghippo423 November 25, 2009
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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
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