Recognized shorthand on the Usenet group comp.std.c for any unexpected behavior of a C compiler on encountering an undefined construct. During a discussion on that group in early 1992, a regular remarked "When the compiler encounters a given undefined construct it is legal for it to make demons fly out of your nose" (the implication is that the compiler may choose any arbitrarily bizarre way to interpret the code without violating the ANSI C standard). Someone else followed up with a reference to "nasal demons", which quickly became established. (see Jargon)
Your program has nasal demons.
by Jabberwocky May 11, 2003
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A type of sexual intercouse in which the male penis is inserted into their partners nose.
Timmy wanted to spice up his sex life with Sheela so they had nasal intercourse.
by Galapicos potato March 26, 2014
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A person gargling cock vomit until it comes out their nose.
That fucking whore is a nasal gurgler.
by gcate November 23, 2017
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A small wad of toilet paper or tissue jammed up one's nose in order to prevent the nose from dripping. Often used against a running nose during a cold or flu, or against a bleeding nose. The nasal tampon protected the nose from damage by eliminating the need for repeated wiping.

Nasal tampons are left in all day, or until full, and are often used inconspicuously, just like the real thing.
Doctor Acula - Well, Andrew, your prostrate is clean, but I need to talk to you about something. Sit down.

Andrew - Oh no, what's up?

Doctor Acula - There seems to be some kind of growth in your nose; we think it might be cancerous. Here, take a look at this X-Ray.

Andrew - Oh, that. That's just my nasal tampon. My nose kept dripping onto my xbox controller.

Doctor Acula - Get out of my office.
by malarky2020 March 29, 2010
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What many people call facial tissue, such as Cleanax (Kleenex), Puffs, etc.
So called because it is usually used for blowing the nose; though on occasion they are used to wipe away eye boogers.
Hey Nora, be a dear and get me some nasal tissue please. I need to blow my schnoz!
by Telephony July 27, 2015
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A nasal bucket refers to a bucket bong (AKA gravity bong) used for inhaling THC, but through the nostrils. This is perhaps the most potent form of marijuana inhalation. Because of this, people often make bets, where the loser must take a nasal bucket. If you are willing to wager a nasal bucket that you are right, you are said to be Nasal Sure.
Felipe: Chris Rock was funny in "The Nutty Professor".
John: Chris Rocks wasn't in that movie.
Felipe: I'm sure he was.
John: Are you nasal sure.
Felipe: Hells yeah
Dave: I'll set up the nasal bucket. Felipe's about to get fucked.
by Duane420 September 11, 2007
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The white, powdery substance that is released upon striking a cocaine addict in the nose with one's fist.
"Dude, if you punched my dad in the face, there'd be enough nasal snow for a couple good lines. He's such a coke head."
by Mick McKormick January 23, 2007
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