The phrase "alpha kenny body" is a homophonic transformation of an existing English phrase that expresses a desire to indiscriminately copulate with other people. The phrase has no similarity in meaning after the transformation and is only similar in sound when being spoken aloud.
The first record of "alpha kenny body" appeared on the Internet in the Nov. 2007. The phrase itself became commonly used in Youtube prank videos where a parent or a friend was made to read out the phrase while being recorded. A large majority of the videos uploaded using the phrase, as of 2014, are from the Filipino-North American community.