Think pink flamingos...old VW vans with flowers all over them, or just something so ugly it's not.
That beaded throw pillow you bought is really kitchy!
an extreme form of douchiness, mostly applies to women but can be used for men in special cases. The best way to explain is through examples:
-VW bugs, especially with bumper stickers
-people who go to art schools
-poltics
-giving toasts and clanking glasses together
-bringing your laptop to coffeeshops
-reading for a long period of time in a bookstore
-always obeying the speed limit
-not doing drugs
-submitting an online dictionary entry