To spit.
To salivate.
To engage in the sexual practice called a spit roast.
To roast meat in this way.
A sexual practice whereby two men service a single sexual partner at the same time, from different ends.
The technique of roasting an animal, such as a pig, over a fire, where the cook sticks a wooden/metal rod through the animal and sets the ends on two sticks to suspend the animal over the fire.