look up any word, like spook:
 
1.
When one proceeds to shove a single carrot up one nostril after another to give a rough visual description of what happened last night during that persons three-some
dude did you see that girl double nostriling that was SWEET!
by BIGgiggles February 25, 2009
 
2.
When one fancies a bump and they don't have any coke, so they snort two micro machines (tiny matchbox cars) up each nostril, then proceeds to snot rocket them out into the backyard in a bloody mess.
Dude, he is totally Double Nostriling those cars. Far out man!
by Etrenis February 20, 2009