Guys: biggest turnoff in a girl?

so what is the biggest turn off in a girl (in personality and in looks)...just curious & plezz dont say takin drugs or drinkin cause im only 13 sooo ya...thanx =)

a girl that is too naggy like texts you evry minute and if not you dont respond they call you non stop thats big turn off and girls who are so tight up and wear like sweat shirts when it 90 degrees outside is also a huge turn off hope I helped =)