Cop out Definition 1 of 2Pro Tip 1/3Colloquial Slang Used in casual conversation, not in formal speech or writing. She copped out of doing her presentation. Pro Tip 2/3Negative Connotation Implies a lack of courage or determination. Don't cop out now, we're relying on you! Pro Tip 3/3Actions, Not People Refers to the action of avoiding, not the person. Copping out on chores again?