Guys why do u do this?????Hepl!!?

im a girl who can look good some days and some days i dont care what i look like. im a girlwho is tall and a bit big but i lost alot of weight over the year. so i had this really cute short skirt with a nice shirt on. and when i wailed down the hall, this group of guys started staring at me. it weird. where they cheaking me out.