2: bits of marijuana left on a table, book, etc when rolling a joint, to be gathered up for smoking
Adam: I'm all out, so let's look around for some scrumplings to smoke. I know I dropped some by the coffee table and stashed a rainy day nugget in the freezer.
WOMAN #2 "How did you know there were bugs in your house?"
MATT: "Because I saw them scrumpling around my house (simultaneously twidle fingers while saying the word scrumpling)."