Only then did he notice that the sand was just a little too hot under his feet to be comfortable.

The blood ran hot under my skin in a flush I could feel.

The man got hot under the collar a few minutes after Tom passed and grabbed me by the arms.

It was hot under the lights, but she didn't notice.

John: It's enough to get a guy pretty hot under the collar.

I thought he'd be hot under the collar, but he wasn't.

He moved his feet, as if the floor were getting hot under them.

Or maybe she was hot under the collar because he'd been right.

For hours the Union army waited, hot and restless under the sun.

It's just a form of words; don't get hot under your dog or any other collar.