noun
jumping match; running match
Rare term for a children's game or contest involving jumping or running. The exact nature is unclear; it may be a dialectal or obsolete word. Compare with 飛び競 (とびくら).
See also: 飛び競
昔の子供たちは、とびっくらをして遊んだという。
They say that children long ago played a game called tobikkura.
とびくら is a more common variant with the same meaning; とびっくら is a rare geminated form.
Probably a geminated variant of 飛び競 (とびくら), from 飛び (jumping) + 競 (contest). The exact derivation is uncertain.