A square baby is one that comes out so deformed that late term abortion is a mercy. Typically used when describing the side effects (such as Anencephaly) of toxic chemicals during pregnancy e.g., smoking cigarettes, DuPont poisoning the groundwater with C8 in the 40's, Norfolk Southern chemically nuking East Palestine, Ohio in 2023.
Benzene, one of the chemicals released into the atmosphere after February 3rd, 2023 at 8:54 p.m, when the eastbound Norfolk Southern Railway general merchandise freight train 32N derailed on main track 1, is on the Proposition 65 list because it is proven to cause cancer and birth defects or other reproductive harm such as miscarriages.
"Hey dad, what's a 'square baby'? At school today our D.A.R.E. officer told us if we did drugs while we were pregnant, we'll have a square baby and everyone laughed"