When one purchases four dances at a strip club from one stripper in a row. Depending on location and costing about $60-80, it is the minimum amount to really get a feel for the quality and performance.
Friend 1: "How was it?"
Friend 2: "Shit, I didn't notice, but by the end of it, she had me for three standard quads! I gotta hit the ATM for more cash now."
Friend 1: "Killer"