The term used for the gathering massive amounts of "free" items at local fast food stores, convenience stores, coffee shops, etc. so that you do not have to purchase the items at the grocery store.
This includes extra large handful of napkins, ketchup packets, sugar packets, extra BBQ sauce and so on.
We ran out of paper towels, so we're going to head to Taco Bell and do a little urban foraging for napkins.
Corporate foraging is the act of scavenging meals in an office environment, thereby sustaining oneself purely on the food leftovers from lunch-time meetings. Frequently practiced by singleadult males, but also observed within a wide range of demographics.
“Hey Andy, did you see the meeting with the two dudes on the third floor? They have three pizzas in there! There is now way they will eat all of that pizza – I think it is time for a little corporate foraging. We will need to be swift, because pizza is a hot commodity and the Marketing Scanvengers have been active on the third floor this week”