Pullin' an apache
You lay on the floor and feel for vibrations of people walking. Usually to become aware of another persons presence during masturbation to prevent being caught in the act.
-I almost got caught jerking it last night by my mom, luckily I managed to cover up before she walked in.
-How did you know she was coming?
-I was pullin' an apache!
-How did you know she was coming?
-I was pullin' an apache!