The mother still needs to deliver the placenta, but it usually takes no more than one quick push.

He started to rise, then fell weakly down again when she gave him a quick push.

"But how-" A quick push sent him headfirst over the edge.

He pushed the supple woman to the grassy earth with a quick push.

A couple of other men looked up as well, and one standing near Leonard reached over and gave his shoulder a quick push.

With a quick push he forced it past the rings.

I let in the clutch fairly fast and gave a quick push.

With a quick push, I shove the ball of newspaper into the garbage.

A quick vigorous push sent him off his balance and splash into the heaving sea below.

If you come up behind someone and give his head a quick push before he has time to react, then I doubt it would show.