What is the full form of kiss?

KISS – Keep It Simple Stupid

Kiss full form: Kiss stands for Keep It Simple Stupid. KISS is an acronym for “Keep it simple, stupid” as a design principle noted by the U.S. Navy in 1960. TheKISS principle states that most systems work best if they are kept simple rather than made complicated; therefore simplicity should be a key goal in design and unnecessary complexity should be avoided.