Used to describe someone or something that simply follows trends to be cool and popular. Often disregarding anything of value in order to make money.
Dave: "Gregory has been wearing that same low cut v-neck t-shirt all week, he looks ridiculous! He must be trying to be cool or something"
Davina: "Omg you're right, that's so louche!"
Davina: "Omg you're right, that's so louche!"
by Mr. Patron June 22, 2011