Justin BieberThe girls may like Justin Bieber, but he likes "like." On 'Late Show With David Letterman,' the preteen heartthrob was trying to talk about his upcoming documentary movie, but we couldn't concentrate on what he was saying.

Well, we couldn't concentrate on anything beyond his overuse of the word "like." If anyone tried to play a drinking game based on Bieber's use of the word, they'd be unconscious within five minutes.

See the video after the jump!