Okay, I have done enough research on The Griddyto last a lifetime.
The Griddy is a popular dance move in which a person alternatingly taps their heels, either in place or while walking, while swinging their arms back and forth. Minnesota Vikings wide receiver Justin Jefferson instructs “throw[ing] your B’s”. This looks similar to forming "ok" symbols around their eyes.
Below, watch a Griddy compilation, Walman's version and a surprise candidate with his version.