whipstall

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whip·stall

W5125700 (wĭp′stôl′, hwĭp′-)n. A usually intentional stall in which a small aircraft enters a vertical climb, pauses, slips backward momentarily, then drops nose downward.

whipstall

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

whip•stall

(ˈʰwɪpˌstɔl, ˈwɪp-)
n. a stall during a vertical climb of an aircraft in which the nose falls forward and downward in a whiplike movement. [1920–25]