Is it halal to masturbate? - Loon from Puff Daddy's Bad Boys

While living in the West we are exposed to nudity everywhere, and immorality is promoted is the best lifestyle. This leads to many young people getting involved in the secret habit of masturbation, but is this allowed in Islam?
(English)

Når vi bor i Vesten blir vi fra alle kanter eksponert for nakenhet, og umoral blir promotert som den beste livsstilen. Dette leder til at mange ungdommer blir involvert i den hemmelige vanen av å masturbere, men er dette tillatt i islam?
(Norsk)