When you put someones nose in between the cheeks of your ass and fart, usually when they are asleep or passed out at a party.
Also Referred to as a Fart Hammer.
"Tim gave Billy a nosefull last night when we Billy fell asleep at Tims house."
A fabled term thought to be impossible by many; when a couple ar 69ing, the female (or male, if you like to be gay), sucking on the guy's penis, deep throats him so much she panicks and attempts to take a huge sniff of air so powerful that she (or he, you sick bastard) sucks his balls up into her (I'm not saying "his" anymore) nostrils, causing intense pain to both people.
"...to give NOSEBALLS to..."
"...to get NOSEBALLS..."
A long night out needs something to keep you going. When you find that beautiful white powder, the kind that keeps you up and keeps you hard, it’s a vodka nosebull.
Rick from Red Deer: Hey buddy, my girl dumped me and I need to go out for some vodka nosebulls.
Sammy from Saskatoon: Fuck buddy whatever you need we can get some nosebulls fuckin real western Canadian girls.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi