He enjoyed his 15 minutes of fame after the video went viral.
15 minutes of fame
idiomA very short time in the spotlight or brief flurry with fame, after which the person or subject involved is quickly forgotten.
Origin
first recorded 20th c.First appears c. 1968, although a use in French appears as early as 1821 in Histoire de l'Assemblée constituante by Charles Lacretelle. Often misattributed to Andy Warhol, in a catalogue of an exhibition of his art in Stockholm: “In the future everyone will be world-famous for 15 minutes.”
The reality star realized that her 15 minutes of fame were ending when the media stopped calling.
Many internet sensations discover that their 15 minutes of fame evaporate as quickly as they arrived, leaving them to return to their ordinary lives.