This is the 12016th most frequent Portuguese word.
reclamar
To complain or demand.
In this usage, 'reclamem' means to formally request compensation or action regarding a defective product or service.
A empresa pede aos clientes que reclamem os produtos defeituosos.
The company asks customers to claim defective products.
In this sentence, 'reclama' signifies the act of expressing dissatisfaction or annoyance, often with frequency.
Ela sempre reclama que está cansada.
She always complains that she is tired.
Here, 'reclamou' is used to describe the act of voicing dissatisfaction about a specific situation or experience.