Selfie: Take your photo with a smartphone or webcam and upload it to a social media website like Facebook or Twitter, and you’ve got a selfie. Read this: http://www.theguardian.com/commentisfree/2013/aug/29/selfies-holocaust-memorial or this: http://www.abs-cbnnews.com/entertainment/09/10/13/spotted-kris-aquino-rides-mrt-takes-selfie
Easy guess. Coffice: Coffee shop as office. This is a phenomenon increasingly on the rise these days: using a coffee shop to meet clients, work on your laptop and conduct business. So is a nearby Starbucks or Timmy’s your coffice? 🙂 Here’s an article on coffice etiquette: http://www.huffingtonpost.ca/sam-title/coffice-coffee-shop-etiquette_b_3605501.html
upcycling means to use in a new way. I’m sure you know several ways of upcyling those KFC buckets or pickle jars. Here’s how it is use: http://wildoceanfish.ca/upcycle/
shoulder surfer: One who watches another person do something (such as use a computer or ATM or fill out a form) to obtain private information. See how it has been used here: http://www.computerhope.com/jargon/s/shousurf.htm