When a small wet clump of weed falls out of your waterbong wet and lands on you, it then becomes a bong booger.
Holy Christ, I thought you had a slimy booger on your arm, but it's just a bong booger! (14:11 Mongolian)
by Biggalo December 24, 2007
The resin that collects in your brain as a result of smoking excessive amounts of weed, causing cognitive congestion.
1st worker; What is up with the new guy, he seems like he's not getting it.
2nd worker; What that guy? His head is full of bong boogers!
2nd worker; What that guy? His head is full of bong boogers!
by Bauxb July 9, 2016