suck at something informal

He sucked again at the cut on the back of his hand.

She sucked at the cold air to clear her head.

Come on, which team could have 6 players paid over 4M$, most of them sucking at the same time, and still be good?

Don't get me wrong, I suck at both of them.

I sat in the back and sucked at my beer.

He sucked in his breath at the simple words that said so much.

He began to suck at her breast like a small child.

What if he sucked at her neck and she never wanted it to stop?

The darkness seemed to suck at the sound of his voice.

He sucked at the finger and felt sorry for himself.