whipstall

[ hwip-stawl, wip- ]
/ ˈʰwɪpˌstɔl, ˈwɪp- /
Aeronautics

noun

a stall during a vertical climb in which the nose of the airplane falls forward and downward in a whiplike movement.

verb (used with object)

to cause (an aircraft) to undergo whipstall.

verb (used without object)

(of an aircraft) to undergo whipstall.

Origin of whipstall

First recorded in 1920–25; whip + stall1

British Dictionary definitions for whip-stall

whipstall
/ (ˈwɪpˌstɔːl) /

noun

a stall in which an aircraft goes into a nearly vertical climb, pauses, slips backwards momentarily, and drops suddenly with its nose down