Geronimo /jə-ronˈi-mō/ (orig and esp US)

1. A war cry used by paratroopers on jumping into action
2. Used facetiously as a stirring shout at the moment of attack upon some venture or activity (informal)

• duckers
• duck-footed
• duck-hawk
• duck-hawks
• duck hook
• duck hooks
• duckier
• duckies
• duckiest
• ducking
• ducking-pond
• ducking-ponds
• duckings
• ducking-stool
• ducking-stools
• duck-legged
• duckling
• ducklings
• duckmole
• duckmoles
• duck out of
• duck-pond
• duck-ponds
• ducks
• duck's arse