coruscate - [kôr'ə-skāt']- verb
1) To give forth flashes of light; sparkle and glitter.
2) To exhibit sparkling virtuosity.
1) The boy giggled as he used his watch to coruscate directly in the speaker's eyes.
2) My child's unbelievably high-pitched cries coruscated through the grocery store when I wouldn't let her buy the pack of gum; watch out Mariah Carey!