The act of having your children go trick-or-treating, and periodically returning home to get rid of the "crap candy" they don't want. Then, using that candy to hand out to the trick or treaters that come to your house. Very similar to re-gifting.
"Who gives a 3 year old jawbreakers and popcorn balls for Halloween? WTF!! We ended up re-treating those, and eating all the Hershey's we had originally bought to give out.
A routine (usually annual) luxurious vacation taken at the company's expense by equity owners or senior executives for the purposes of indulging in golf, fine dining and other forms of entertainment (legitimate or otherwise) under the pretense (mostly for the benefit of their spouses and employees) of working and for other business purposes. Also known as a "management re-treat" or a "partner re-treat".
Did you get a lot done at the re-treat this year, Bud?
Yeah! I shaved a stroke off my handicap and got two hour-long massages and a facial.