He sucks hard on the number before holding it out to me.

Then she took it gently between her teeth, and sucked hard.

He sucked hard at the air, but hardly any made it to his lungs.

She captured his lower lip and sucked hard on it.

Just know it sucks hard on our side too.

And it sucks significantly harder, depending on who you're working for.

He sucked hard at the cigarette as he had a thought.

She sucked harder, warming to her job and heard the young man give a deep groan.

She sucked at his throat harder, but nothing came.

He popped it into his mouth and sucked hard.