"David After Dentist" is a viral video featuring a young boy named David who is recovering from anesthesia after a dental procedure. The video captures his humorous and confused reactions as he grapples with the effects of the medication, leading to memorable quotes and expressions. The video was uploaded to YouTube in 2009 and quickly gained popularity, becoming a cultural phenomenon. It has been viewed millions of times and inspired numerous parodies and remixes, highlighting the impact of social media on sharing everyday moments that resonate with a wide audience.