Definition: Cocky means being overly confident or arrogant, often to the point of being annoying or offensive.
Use case: You can use cocky to describe someone who thinks too highly of themselves and acts like they are better than others. For example, "He's so cocky, he always brags about his achievements and belittles others."
• She rolled her eyes at his cocky comment, knowing that his arrogance would be his downfall.
• She couldn't stand his cocky behavior and avoided him at all costs.
• He walked into the party with a cocky swagger, thinking he was the coolest guy there.
• Despite his lack of experience, he was incredibly cocky and acted like he knew everything there was to know.
• He tried to impress her with his cocky attitude, but she wasn't buying it and saw right through his act.
• He strutted around the room, his cocky demeanor making it clear that he thought he was better than everyone else.