there is no real answer as to why humans act so obnoxious. but it is normally because they want your attention. that is the reason some kids are so annoying because they want you to notice them.
hope that i was able to help :)
Because a person is unique in their own way and when someone tries to manipulate them and change them, they get irritated.
That boy is so obnoxious.
He's so Obnoxious and rude to that girl.
I am in a school band, and I am not obnoxious and mean, but my answer to this question would be that they are supportive of their band (possibly a little too supportive, then its just obnoxious, you're right).
That girl is so obnoxious, she treats me like I'm her maid!
They aren't. They tend to keep to themselves from what i have seen/.
The loud and obnoxious music from the party next door kept me awake all night.
Obnoxious is an adjective--an obnoxiousperson.
Yes they are are really obnoxious and stupid.
http://thesaurus.reference.com/browse/obnoxious
He is not only arrogant but also foolish and obnoxious. OR Her attitude towards the guests at her birthday party was obnoxious to say the least.
i did. my name is david and i go to your school. you are obnoxious and unpopular.
Very, very annoying obnoxious means extremely annoying or repulsive.