You searched for: “bacronyms
bacronym, backronym (s) (noun), bacronyms; backronyms (pl)
The alteration of a word which already exists and creating a phrase, usually humorous, using the letters of the word as initials, and so the process is the opposite of producing an acronym: An example of the bacronym SURFSIDE is Small Unified Reactor Facility with Systems for Isotopes, Desalting, and Electricity.

—Bob Levey, "When You Can't Decide, You Just Pick Them All",
The Washington Post, November 8, 1983.

Another example of a bacronym is BANANA, or "Build Absolutely Nothing Anywhere Near Anybody", and GOD, or "Guaranteed Overnight Delivery".