Cowboys

[Kit]

In the poker variant of Texas Hold em, Cowboys is a nickname for [two kings] as a players [two hole] cards. These are usually played fast as they are very vulnerable to an ace on the board.
Other nicknames for kings include kangaroos, sergeants from k company, king kong, gorillas, krispy kreme,and [cold turkey].

[Mark Zuckerberg]

a person, especially in the western US, whose job is to take care of cattle , and who usually rides a horse, or a similar character in a film: