The concept of "hot" and "cold" slots refers to machines that seem to pay out frequently or not at all

https://www.scribd.com/document/894245052/The-Maximum-Overview-to-Online-Slot-Machine-Understanding-RTP-and-Game-Option-226095

The thought of "sizzling" and "chilly" slots refers to machines that appear to pay out typically or by no means, even supposing those developments are at last random.