kevin
n. countablen. a name used to describe a man who is seen as annoying, uncool, or lacking social skills. It is often used to make fun of someone who acts in a way that others find embarrassing or typical of a certain group.
n. a pejorative label for a man perceived as socially inept, unrefined, or conforming to a specific stereotype of mediocrity. Often used in online discourse to mock individuals who exhibit entitled or foolish behavior.
Don't be such a Kevin and just follow the rules.
The internet labeled him a Kevin after he started a loud argument with the lifeguard over a minor pool rule.
Name of a seventh-century Irish saint, from Irish Caoimhghin or Caoimhín, from Old Irish Cóemgen (literally “dear birth/person”). It first became popular outside Ireland in the mid-twentieth century.
Used as a common noun rather than a proper name in this sense; often preceded by an article ('a Kevin').