Annoying behavior can vary from person to person, but here are some common examples of behaviors that many people find irritating:

1. Talking loudly: Speaking loudly in public places, especially when it’s unnecessary, can be annoying to others.
2. Interrupting: Constantly interrupting someone while they are speaking can be rude and irritating.
3. Chewing with an open mouth: The sound of someone smacking or slurping their food can be quite bothersome to others.
4. Texting or using a phone during a conversation: Being on your phone when someone is trying to have a conversation with you can make them feel unimportant and annoyed.
5. Not respecting personal space: Standing too close to someone, invading their personal space, or touching them without permission can be uncomfortable and irritating.
6. Constant complaining: People who constantly complain about minor issues can be exhausting to be around.
7. Being chronically late: Repeatedly showing up late for appointments, meetings, or social gatherings can be frustrating for those who have to wait.
8. One-upping: Always trying to outdo others or make their experiences seem less important can be irritating.
9. Ignoring social cues: Failing to pick up on social cues and continuing a conversation or action when someone is clearly disinterested or uncomfortable can be aggravating.
10. Being overly negative: Always focusing on the negative aspects of situations or conversations can bring down the mood and annoy those around you.
11. Gossiping: Spreading rumors or talking behind people’s backs can create a negative atmosphere and lead to mistrust.
12. Excessive bragging: Constantly boasting about one’s achievements or possessions can come across as self-centered and annoying.
13. Being overly critical: Offering unsolicited criticism or nitpicking can be irritating and hurtful.
14. Not respecting boundaries: Ignoring someone’s boundaries or personal limits can be frustrating and disrespectful.
15. Being passive-aggressive: Instead of addressing issues directly, some people use passive-aggressive behavior, which can be confusing and annoying.
16. Loud music or noise: Playing loud music or making loud noises in shared spaces without consideration for others can be very irritating.
17. Leaving a mess: Failing to clean up after oneself in shared spaces can lead to frustration and annoyance.
18. Excessive attention-seeking: Constantly seeking attention and validation from others can be draining and annoying.
19. Unreliable behavior: Making promises and consistently failing to follow through can erode trust and be annoying.
20. Excessive self-centeredness: Always making conversations and interactions revolve around oneself without showing interest in others can be irritating.

Remember that what one person finds annoying, another may not mind as much. It’s essential to be aware of how your behavior affects others and to practice empathy and consideration in your interactions.