doodlebug

noun doo·dle·bug \ ˈdü-dᵊl-ˌbəg \

Definition of doodlebug

1 :the larva of an ant lion; also :any of several other insects
2 :a device (such as a divining rod) used in attempting to locate underground gas, water, oil, or ores

Origin and Etymology of doodlebug

probably from doodle fool + bug


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