I am extremely impulsive?

im in the seventh grade and ive noticed that im very impulsive if i get a cooky idea to do sumthing weird i hav a strong impulse to do it example: i hav a strong impulse to say hi to random eighth graders out of the second floor window: lolz yah i do very nutty things!!!! but sumtimes i take it sooo far people get pissed at meh??? how can i control my impulses???? i luv the thrill of doin sumthing crazy and cooky!!!! i also like the attention!!!!! my buds say i embarres myself all the time!!! and i do but idc!!!! cuz i am very clumsy sooo i fall alot!!! and wen i do i just laff it offf!!!! now its gotten to where its hard for meh to be embarressed!!! :))))