I Have Bieber Fever
Bieber Fever is when you become a slave to Justin Bieber's music and merch. You've got it if you have posters, own an album, and know the lyrics to 'Baby' so well you could sing them in your sleep.
I bought three posters, two albums, and a Justin Bieber shirt.
I knew the words to 'Baby' so well I could sing them in my sleep.
I missed my bus to go to his movie.