Goof up definitions

Goof up

1) Blow it 2) Blunder 3) Bungle 4) Make a mistake
Found on https://www.crosswordclues.com/clue/goof-up

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Goof Up

Goof up is American slang for to make a mistake or blunder.
Found on http://www.probertencyclopaedia.com/browse/ZG.HTM

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