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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for whipstall

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012