Definition of "goof" []

• An incompetent, foolish, or stupid person. (noun)
• A careless mistake; a slip. (noun)
• To make a silly mistake; blunder: goofed up by turning right instead of left. (verb-intransitive)
• To waste or kill time: goofed around at the mall. (verb-intransitive)
• To tease or make fun of someone: goofed on her younger brother. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Should help promote the benefits of martial arts, though. (permanent screengrab of the goof is here, for when they finally fix the error)"
• "NEW DELHI: The Bharatiya Janata Party on Sunday demanded the resignation of Minister of State for Women and Child Development Krishna Tirath for what it called a goof-up in the advertisement issued by her Ministry."
• "Is it just me or is Terry McAuliffe the biggest spin goof doctor in political history!"