Pouring any thick, sticky liquid over your body - particularly food items such as syrup, beaten eggs, pudding, chocolate sauce, etc. - then performing a sexual act either alone or with another person.
Ryan dumped a whole bowl of chocolate pudding on his junk then went on his webcam and jacked off for me. It was the hottest gunging I've seen in a long time!
The act of stabbing another human and fucking the stab wound then nutting in it and proceeding to lick up the mixture of Cum and blood all while the wounded victim is still alive and conscious.