Watermelons contain water of 92%. A "Watermelon Speech" is a speech that isn't solid. It lasts as long as a watermelon. It comes and goes and doesn't leave an effect.
Throw a watermelon on the table. Hard, so it explodes.
sarcastic
Tachyphasia is the medical term meaning rapid speech.
What is social ritual speech
Once upon a time, back in the days of black-and-white television, I heard the word "watermelons" exclaimed in a TV program with reference to a lovely young woman's ample bosom. But I'm not sure this qualifies as a figure of speech.
It is a speech--Using a symbol or gesture to convey meaning, especially political meaning.
Watermelon is watermelon because it is a melon that it filled with water see water-melon watermelon.
it is in the question
watermelon watermelon
Speech
galahs can eat watermelon and watermelon skin!!
Watermelon, Watermelon, and Watermelon.