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1.
1) The nervous/excited feeling one gets prior to or preempting an encounter, event, result etc.

2) The feeling one feels in ones toes and feet when either extremely happily, or anticipating something that could be wonderful.
"Anna's date with Greg is tomorrow night, and she told me that she has kicky-legs."

Adam's flight to Gulu was tomorrow morning, and he found it difficult to sleep due to a bad case of kicky-legs.

After Phil proposed, Amanda was so happy that she had kicky-legs all night long.
by Tigerlily Morningstar March 13, 2011