I rekon - I reckon is when you're too tired to think, but still want t

I reckon is when you're too tired to think, but still want to sound like you know what you're talking about.

I reckon that homework is done. I didn't do it. I'm too tired.

I reckon that movie was good. I didn't watch it. I'm too lazy.

I reckon I'm gonna win. I don't know. I'm too tired to care.