1. slang A wildcard term that can be used in place of words beginning with "R." A: "Yo, Jake just won $2,000!" B: "Fo' rizzle? Shoot, I need to hit him up for some cash."

2. verb, obsolete To take rest after one eats a large amount of food as a means of easing indigestion. An esteemed physician recently gave a speech emphasizing the importance of rizzling after a heavy meal.