Noun- this seems to be a self explanatory situation, but let me clarify. A booger that it is in part or in whole, bloody. Sometimes caused by excessive nose picking. Often times a hung over beligerant drunk will find that he was punched in the nose and wakes up with a bloody booger.
Socially unacceptable, except in frat' houses.
"Check it out man, I got a bloody booger! I think I'll wipe it on the sofa."
"Oh no! Oh my gosh! Bertha just snagged a bloody booger!"
"Hey, my drunk uncle got in a fight last and woke up with bloody boogers."
"I put a bloody booger on my sister-in-law's shirt"
Get the bloody booger mug.