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.

A less embarassing but more irritating alternative to developing a boner.

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.

1.) Metaphorically used to describe incredible heights.

2.) Metaphorically used to describe incredible speeds.

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.

1. putative and profuse nasal bleeding

2, having to do with something in a high location (from the notion that nosebleeds can be caused be high altitudes)

A code red mountain dew, with a shot of five hour energy drink in it.