death roll

English

Noun

death roll (plural death rolls)

1. (nautical) In a keel boat, the act of broaching to windward, putting the spinnaker pole into the water and causing a crash-gybe of the boom and mainsail, which sweep across the deck and plunge down into the water.
2. The behaviour where a crocodile or alligator rolls underwater so as to drown its prey or tear off pieces to eat.