Wordnet 3.0
NOUN (2)
1.
an incomprehensible talk;
2.
the difficult version of jump rope in which players jump over two ropes that are swung in a crisscross manner by two turners;
WordNet (r) 3.0 (2006):
double Dutch
n 1: an incomprehensible talk
2: the difficult version of jump rope in which players jump over
two ropes that are swung in a crisscross manner by two
turners
Moby Thesaurus II by Grady Ward, 1.0:
20 Moby Thesaurus words for "double Dutch":
Aesopian language, Babel, Greek, argot, babble, cant, cipher, code,
cryptogram, garble, gibberish, gift of tongues, glossolalia,
gobbledygook, jargon, jumble, noise, scramble, secret language,
slang