A descriptive word to explain how completely hot or sexysomething is. It can be used sexually, or just as a fun way to describe something that is awesome.
#1
Person A: Dude! Asian girls!!
Person B: Asian girls...gasmatic aren't they?
#2 Person A: Dude I just got a no-scope on MW2!
Person B: Damn! That's gasmatic!
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.