An almost militant, but ultimately false, commitment to an issue that is prominent in the modern world. Fashionsist care deeply for as long as a whole week about an issue considered fashionable.
Fashionism is characterised by a devoted and often misinformed obsession with an issue that has either featured in the tabloid news or has caught the attention of a fellow fashionist.
Famous fashionists include Bonno of U2, Angelina Jolie and Madonna.
See also: Fashionist.
Alex: Have you seen Mark Kitchen's obsession with Global Warming recently?
RJ: For real? Shit, I didn't know he bought into fashionism too!
RJ: Man, Elaine sure does complain about Women's Rights.
Alex: Yeah, it's just fashionism, it has no lasting importance, it'll blow over.