It is the act of filling a nap sack with picnic materials (aka meats, bread, cheeses, vegetables, pastry, potato salad, boxed wine, ants, napkins, and plastic silverware). Then proceed to lube said filled nap sack with Teryaki sauce, as well as ginger and Wasabi. Then, slide the formentioned nap sack into the vagina of a willing party. Beware Bears of above average intelligence.
"Man, Heather and I tried the Japanese Picnic, and wow. Her pubic region became rather scrumptious, which allowed me to proceed in tasting her love cup."
by Mike Nenaydykh November 02, 2007