Vibrating eggs or egg-shaped vibrators can be used for stimulating the clitoris or insertion into the vagina. The vibrating egg, also known as love egg, is a type of vibrator that may also have the shape of bullet which comes in very small sizes. Based on their specific shape, they are called either egg vibrators or bullet vibrators. Vibrating eggs are considered discreet sex toys as they usually do not measure more than three inches in length and three quarter inches in width.