How to perform cunnilingus like a pro

The timeless oral sex anthem, "My Neck, My Back" by rapper Khia, includes the renowned lyric: "Lick it good, suck this pussy just like you should." 

But those who are inexperienced or perhaps uneducated may ask: How should someone perform cunnilingus?

The good news is, there's no one way you "should" go down on someone —...