a form of a charlie horse. to pull off a brown cow, you have to slide down on the strings of a guitar, and when you reach the end of the fret board, lift your hand off and punch someone close by with a lot of power.
Brown Cow Stunning is a term used when someone's look is completely perfect head-to-toe.
This term was invented by Monique Heart, a queen who competed on the tenth season of RuPaul's Drag Race.
Those four words roll off the tongue as a lighthearted way of asking "What's up? What's next?" And that tripping lightly stuff makes sense, since "How now, brown cow" has its origin in elocution, where the phrase was used to demonstrate properly rounded vowels.