Well up

Oil was welling up out of the borehole.

As soon as I heard news of his death, tears started to well up in my eyes.

A spring wells up in the centre of the village, and watercress beds lie beside the stream running alongside the main street.

Emotion welled up inside me.

A barely audible groan welled up in the Captain's throat as the grinning Freedom Fighter circled around behind the helpless American Soldier. The groan sputtered into a strangled, "No… no… don't.... " as Randall felt the juicy tip of the man's tumescent cock jab against his hair-ringed, virgin asshole.

“I had to leave my job because I just couldn’t … yeah,” Tina says, welling up.

How well up are you on algebra?