Grind cookies in a food processor into fine crumbs; transfer to a large bowl.

Grind pecans in the food processor; add to cookie crumbs in the bowl. Stir in 1 cup confectioners’ sugar, bourbon whiskey, cocoa powder, and corn syrup until mixture holds together; roll into 3/4-inch balls.

Spread coconut onto a plate and 1/4 cup confectioners’ sugar onto a separate plate. Roll balls in coconut and sugar to coat. Arrange balls onto a platter, cover with plastic wrap, and refrigerate until hardened, at least 1 hour.