When one is not able to say "I love you" due to circumstances or is mad at their signifigant other, the word Twiggle-squish is the appropriate interjection.
"Shut up! Twiggle-squish."

When around strangers...: "Twiggle-squish."
Around parents or children: "Twiggle-Squish"
by Lily July 6, 2004
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