Could someone die of an overdose on meloxicam?

Yes. You can develop overdose from taking too many Meloxicam pills. The overdose symptoms are blue lips, fingernails, or skin, seizures, pain in the chest, upper stomach, or throat, severe stomach pain, skin rash, swelling around the eyes, face, lips, or tongue, rapid weight gain ... All overdose can lead to death.
Yes. Yes. But it would need be 50-60x the daily dose. That would be suicide.