Sam: I hope no one notices I am stealth masterbating
Girl friend: Sam ... are you wacking off!!!!
Sam: Oh Shit!
Girl friend: Sam ... are you wacking off!!!!
Sam: Oh Shit!
by themanwiththeplan9192 April 03, 2010
The act of whackin it very quietly, like when everyone is home or someone is right outside the room. Turn the volume down really low.
by Trippinballs January 30, 2007