Here's a few of my favorite new words and their meanings:
bestie (n.): a person’s best friend; a very close friend.
DIYer (n.): A person who engages in do-it-yourself activities; an amateur (in construction, repair, etc.).
do-over (n.): an instance or chance of doing something for a second or further time, after an unsuccessful or unsatisfactory first attempt.
wackadoodle (adj.): crazy, mad; eccentric.
bathroom break (n.): a short period of time within the duration of an activity (often of a prescribed or limited duration) taken to use the toilet.
It's an honor for a word to be added to the dictionary, but it's funny that some of these words added this month have been around for decades. A new twist on words.