SUPERMAN LOSES THIS WHEN HE STANDS, 10 letters
A squiggly child, perhaps, 6 letters
Child, to a department-store Santa, 6 letters
Quintuplets maybe?, 6 letters
Squirming baby, sometimes, 6 letters
Twins, maybe?, 6 letters
The quantity that can be held in the lap, 6 letters
Children, to a department-store Santa, 7 letters
Chubby children?, 7 letters
Quantities of tots?, 7 letters