Words That Don’t Exist but Should

Carbonara Footprint - Obvious and deleterious effects of overindulgence in creamy pasta dishes.
Inshopnia - A disorder marked by making unnecessary online purchases in the wee hours due to insomnia.
Staremaster - Gym dandies who constantly check themselves out in the mirror.
Earnest Hemorrhage - A man who is oppressively forthcoming with every thought and feeling. Antonym: Ernest Hemingway, linguistically stingy author.
Blamestorming - A meeting whose sole purpose is to discuss why a deadline was missed or a project failed and who was responsible.
Teenile - Used to describe someone who is way too old for what she is wearing.

Many more at Daily Candy.