The act of a man forcefully spitting on his penis as he grasps it firmly preparing to insert it into a female's vagina or gaping asshole. It is the highest level of expressing male dominance to the opposite sex.
"Mattay spits on his dick to show his male dominance over the women he is about to copulate with."
"Big Charlie uses a strong technique of spitting to become the King of his Jungle."
"I just figuratively spit on my dick while I was talking to this broad. She senses my dominance now."