"Foxy's Hole" is a nursery rhyme for children that is played as a game. It is thought to originate from the Tudor period. The lyrics are as follows:
Put your finger in Foxy's hole Foxy's not at home Foxy's out at the back door Picking at a boneThe game involves the adult catching the child's finger in a clenched fist, which represents Foxy's "hole".
References
Foxy's Hole Wikipedia(Text) CC BY-SA