A 15 minute sexual encounter between a girl, and one or two guys. Usually filmed and photographed for internet consumption. The "fiesta" generally occurs in the last minute or so, with the lovely young lady receiving a protein-enriched facial.
A derivative term first used by the editing scholar and founder of T3C, to show his confusion and lack of understanding of a basic task, but can also be used to show one's displeasure to sonar due to its negative impact on the environment