How can I act girly? I promise you I'm not gay, but I decided to express my feminine side more so I want to try to do some stuff like a girl cause I'm really bored. I don't have any sisters or my ...
In reference to men, "acting girly" is often used as a derogatory term. Your question is not about "acting girly" as much as it is about your interest in perhaps exploring cross dressing or becoming a transvestite.
If you truly have a desire to cross dress or present yourself as a female out in public, then the following site may help you come to terms with yourself and answer some of your questions: www.pflag.org.
If you're just looking for attention or trying to push people's buttons, then steal clothes from your mom's closet and borrow her underwear without permission, then allow her to 'catch' you doing it. I can assure you, you'll push every button she has and attract plenty of attention.