death cookie
n.— «On any given day, the top of the mountain can be littered with the frozen snowballs called death cookies.» —“Great Day At Alyeska Is Best Ski Day Departing Alaskan Ever Had” by Craig Medred Anchorage Daily News (Alaska) Jan. 23, 1986. (source: Double-Tongued Dictionary)
Further reading
Pun alert: What’s the best thing about Switzerland? This is part of a complete episode. Transcript of “What’s the Best Thing About Switzerland?” Hey Grant, what’s the best thing about Switzerland? St. Bernard’s...
It’s the art of constructive feedback: If you’re a teacher with a mountain of papers to grade, you may find yourself puzzling over which kinds of notes in the margins work best. Martha and Grant discuss strategies for effective paper...