But grass probably doesn't pop into your mind when you're thinking about food.

He couldn't believe that thought had popped into his mind.

They just popped into my mind and I didn't need to do another thing about them.

The most obvious answer popped into my mind at once.

The fish he caught and cut up pops into his mind.

A plan popped into my mind almost without me thinking.

I'm always saying whatever pops into my mind, whether I mean it or not.

It was the first thing to pop into his mind.

But every once in a while, it pops into my mind that this thing isn't over.

It was the first thing that popped into his mind.