(n.) A white tube sock that serves as a jizz recepticle following masturbation. After a series of loads have been deposited in the sock, the protein stains will harden, thus beginning the "petrification" process. Also see protein sock
1. My petrified sock has been the recipient of so many loads, it is now brown and can now stand up by itself.
When, during intercourse, the penis becomes numb due to under stimulation. The male equivalent of Zombie Beaver. Useful for Cock-Slapping, Cock-stands, Tripod-ing, etc.
Janet was so begrudgingly wide that I got the good 'ol Petrified Tree. After that, I charmingly berated her, and cock-slapped her with my rock-solid Mahogany Staff.