From Longman Dictionary of Contemporary Englishsee starssee starsUNCONSCIOUSto see flashes of light, especially because you have been hit on the head I felt a little dizzy and could see stars. → star
Examples from the Corpus
see stars• The darkness intensified down in the wood though I could see stars between the boughs.• She did it anyway, deploying her chute so late that the jolt made her see stars.• Her head rocked, and for the first time in her life, she quite literally saw stars.• Normally, one is not able to see stars in the sky that are in almost the same direction as the sun.• I had bumped my head so hard that I began to see stars.• In the third division, Hereford United were seeing stars at Gillingham after letting in 2 early goals. 