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A modified pink sock in which the perpitrator puts sap or resin from a tree on his or her penis and then proceeds to put aforementioned penis into the "sockee's" butthole and pulls out, resulting in said "sap covered pink sock".
"No matter how many times I put my penis in his ass, and no matter what I cover it in, it still wont Pink sock."

"Have you tried pine tar, its great as long as he does not mind a Sap Covered Pink Sock."
by James The Pain Hoban August 03, 2008