I got one of the two that had been sucking air on top.
She sucked on the joint and put her head back.
He broke the other one and started sucking on a half.
The human sucked on his pipe, which had gone out.
He sucked on the end of the pen for a moment.
She sucked on it for a moment, and then smiled.
He sucked on his lower lip a little, trying to think how to make her understand.
"You'll be sucking on them quite often so use something you don't mind the taste of."
One little girl sucked on the inside of a plastic bag where she had found some food.
He was sucking on only his second cigarette of the morning.