Guy 1 That girl Sarah wanted to give me a Birdtown butt pluglast night.
Guy 2 She looks like someone who would try that. So you do it then?
Guy 1 No doubts, had to try it.
Guy 2 Bong!!!!
An act involving a thumb plugging a hole. Pressure significant enough to stop blood flow is required. Sometimes used to save lives. Also used for pleasure.