A masculine-identifying person with an unusually high sexual stamina who engages in sexual activities. These activities are mostly from a Top role and are for the pleasure of the receiving Bottom role.

They are often a third party in a cuckold/Cuckoldress dynamic where they play the role of a more potent partner for the Cuckoldress in order to humiliate the cuckold, but they can also be a third party in a Vixen/Stag dynamic where there is no humiliation involved.