When you are having sex with a girl and right before you cum you pull out, bust on her face, and then smack her in the head with your dick causing her to become unconscious.
Kyle: "So Jake, how did your night go?"
Jake: "Great i gave her the Texas Hammer Stick."
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.