Verb: The art of actively lying down
The objective of planking is to have a dead straight body, arms by side, palms facing inwards, toes down or pointed - to mimic a plank of wood.
*Variations are the vertical plank, the inverted plank, the hanging plank, multiple ply plank (mutliple people in one action)
"Hey let's go planking"
"Did you see that guy planking? It gave me wood"
"That girls planking is gammin, bent legs, bent body, poor form"