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1.
Dried up semen that is sticking on the cock.
I had a cock booger and it hurt when I pulled it off.
by fuck does it matter January 26, 2008
 
2.
an obstruction of the male urethra caused by not urinating after sex; usually noticed the next morning when pee sprays in three directions.
"Man, this morning I had a bad case of cockboogers and I sprayed all over the bathroom."
by VHS Player Chris February 16, 2008