Bieberoids are all around us. They dress, speak endlessly about and are obsessed with Justin Bieber.
Any Bieberoid over the age of 12 should seek professional mental heathcare.
James'daughter Jesse is a Bieberoid. which is fine because she is nine. Most nine year old girls are Bieberoids. His son Paul, is also a Bieberoid but since he is twenty, it's just creepy.
The act of putting a Justin Bieber song into someone's head, thereby exposing them to at least 24 hours of pure torture.
This can be done by singing the song or just by the sheer mention of a Justin Bieber song. It can also be used as something your friend would say to you after successfully getting an awful Bieber song stuck in your head.
The super-obsession of Justin Bieber and his songs; Knowing the words to all of Justin's songs and everything about him; The impression of having stayed up all night just listening to his songs and waking up in the morning feeling like you're sick.
Girl A: *moans*
Girl B: What's wrong?
Girl A: I stayed up all night listening to Justin Bieber's songs and making a webpage for him.
Girl B: Oh...so you have bieberfever, am I right?
Girl A: Hell yeah!