pad - The soft foam pad on the deck of a paddleboard, designed to provide traction and to cushion the knees of knee-paddlers (n)

panic - A sudden, unreasoning fear that destroys a person’s capacity for self help (n); to display panic (v)

peak - The crest of a wave just before it breaks (n)

peel - When a wave breaks from one side of the beach to the other, with a transitional area between the whitewater and shoulder (v)

PFD - Personal floatation device (n)

pink slip - A disciplinary documentation report (n)

plunging - A wave that falls over all at once, wave breaking with great force into shallow water (n)

purl - When the nose of the paddleboard or other surfcraft digs into the water, making a wipeout likely or inevitable (v)