A booger (dried nasal mucus) that gets hard and sharp enough to stab or cut the inside of your nostril. It can result in pain and sometimes a nosebleed.
"Dude your nose is bleeding, what's wrong with you?"
"The low humidity today gave me a really bad knife booger and it cut me when I was trying to pick it out."
"The low humidity today gave me a really bad knife booger and it cut me when I was trying to pick it out."
by SR20DEN December 24, 2009
Get the Knife Boogermug. Noun. 1) A metaphor for a thought of any manner of consequence; that which sometimes results from "picking the brain."
I just had a brain booger; by virtue of its name, Brainbooger.com must be a receptacle of all manner of thoughts!
by Yu Phlung Pu June 10, 2009
Get the Brain boogermug. by agooman May 21, 2022
Get the Noobus boogersmug. I had to pull the glue booger off the Walmart gift card my Uncle Floyd gave me before I put it in my wallet.
by DrVibes December 28, 2009
Get the Glue Boogermug. by Catch me outside February 16, 2017
Get the Booger wallmug. The semi solid mass that forms in the dispenser, which must be picked out of the first squirt of suntan lotion, moisturizer, etc. Consistency is such that it is reminicient of a booger.
Lori: Rub this on my back.
Todd: Flip over.
Lori: Gross! I can feel the lotion booger on my shoulder!
Todd: Ugh! *flick*
Todd: Flip over.
Lori: Gross! I can feel the lotion booger on my shoulder!
Todd: Ugh! *flick*
by t_bag July 24, 2008
Get the lotion boogermug. The saving and consolidating of your boogers over a period of several days creating one enormous booger.
by ham and egger June 17, 2010
Get the Super Boogermug.