Moving quickly and awkwardly, using hands and feet to climb or move; or rushing to do something urgently and chaotically.
From English 'scramble,' possibly related to 'scrabble' and 'scramble' (to move confusedly), of uncertain origin but likely imitative of confused, hurried movement.
Pilots use 'scrambling' to mean an emergency takeoff, which shows how the word captures that chaotic, urgent energy—you're not calmly walking, you're in a hurried, slightly desperate rush!
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