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Double Dutch. 1. a form of the game of jump rope in which two persons, holding the respective ends of two long jump ropes, swing them in a synchronized fashion, usually directed inward so the ropes are going in opposite directions, for one or two others to jump over. He says the document is in Hebrew, and he has translated it into double Dutch.
[Double Rhymes is words that rhyme on their last two syllables (have the same vowel sound in the second-to-last syllable and all following sounds)].