bieber-fever
To have bieber-fever is to be a huge fan of Justin Beiber. You must hav e atleast 50 posters of him hanging on your bedroom walls. Kiss those posters constantly. Wear t-shirts with his face on them. Change your last name on facebook to Bieber. Have one of his songs as a ringtone. And Know all the words to all his songs.
bf: hey babe do you have bieber-fever?

gf: well my name is Barbie Bieber
bf 1: thats it! if your going to go around pretending to marry other men then we're done!
gf: ok. (thought: yes!)