This past thursday Merriam-Webster’s dictionary added a slew of words to their official lexicon. You’ll be surprised to find out what words previously deemed “slang” got the official stamp by Webster’s after the jump.

@DjRellyRell

Bromance: “Close, nonsexual friendship between men.” (Pictured above courtesy Brad Pitt and George Clooney.)

Cougar: “A middle-aged woman seeking a romantic relationship with a younger man.”

Crowdsourcing: “The practice of obtaining information from a large group of people who contribute online.”

Parkour: The urban sport which combines “efficient running, climbing and leaping over environmental obstacles.”

Helicopter Parent: “A parent who is overly involved in the life of his or her child.”

Boomerang Child: “A young adult who returns to live at his or her family home especially for financial reasons.”