hit and run kit
n.— «Within the survival pack is a “hit and run” kit that includes only the bare necessities such as a signaling device, food and medical needs—enough supplies to last a couple of days.» —“Pilots’ training includes survival on the ground” by Mel Oberg Richmond Times-Dispatch (Virginia) Jan. 26, 1991. (source: Double-Tongued Dictionary)
Further reading
If someone’s got melon, it means they’re smart. The expression most likely arose because of the resemblance between a melon and a human head. Several other foods are associated with having brains, including a cabbage, a gourd, and even a...