Crab chopped in the shell, coated in starch and deep-fried, then tossed with heaps of dried chili, garlic, ginger and some Sichuan pepper, often over potatoes or rice cakes. Eaten with your hands.
To eat spicy crab, put on gloves and shell it as you go.
Tips
culture
Sichuan/Chongqing-style crab: blue crab or Dungeness chopped, dusted in starch, fried, then tossed in a heap of dried chili, Sichuan peppercorn, ginger, garlic and scallion. A 1990s nightlife dish that rode out of Chongqing and became nationwide. 麻辣蟹 is the peppery cousin.