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A person whose nose is filling with mucus and who:
a) Does not empty the contents by blowing into a tissue.
b) Continues to sniff at the mucus so that it lifts into the nose and begins to slide down again.
c) Repeats b) continually.
I had trouble concentrating in the exam because there was a snotgrottler sitting behind me.
by Steerpike January 03, 2005