He jumped into the pool feetfirst.    From Wordnet, Princeton University. 

We descended feetfirst, evidently immune to shadows.    From Wordnik.com.  [Water Sleeps]

Then I slammed feetfirst onto a wet, slippery surface.    From Wordnik.com.  [The Multiplying Menace] Reference

He fell a short distance, feetfirst, into a pool of water.    From Wordnik.com.  [The Saracen: The Holy War] Reference

I launched myself at him feetfirst, my body parallel to the ground.    From Wordnik.com.  [Pendragon: Book Eight: The Pilgrims of Rayne] Reference

I've either thrown him out or carried him out feetfirst more than once.    From Wordnik.com.  [Dragons Of Summer Flame]

With that, he leaped over the side of the dish, laughing as he whizzed down feetfirst.    From Wordnik.com.  [The Best and The Brightest] Reference

The kender leaped from the saddle and landed feetfirst no more than a yard from the others.    From Wordnik.com.  [Kaz the Minotaur]

Several vinyl-upholstered recliners were arrayed feetfirst in a circle around an open fireplace.    From Wordnik.com.  [In Hot Water] Reference

Geno skidded in after it, but hit feetfirst and was back up before Gary or Kelsey had even recovered.    From Wordnik.com.  [The Woods Out Back]

So she lay down onto her back, the pack cushioning the rock, and scooted along, feetfirst, into the gap.    From Wordnik.com.  [A Darker Place]

I look both ways, then pull off my robe and toss it on the floor before swinging feetfirst through the hatch.    From Wordnik.com.  [A King of Infinite Space]

I raced over to it and plunged into the hole feetfirst, hoping not to trample a family of squirrels, or worse.    From Wordnik.com.  [Stillwater] Reference

At the last moment he stopped fighting it and jumped in feetfirst instead, figuring that a controlled fall would be best.    From Wordnik.com.  [Guild Wars: Ghosts of Ascalon] Reference

He'd probably finish the job of sorting his late father's effects just before being carried out feetfirst himself, he thought.    From Wordnik.com.  [Drums of Autumn]

Aari said, and jumped into the stream feetfirst, splashing droplets that glittered like amethysts and rubies in the dying light.    From Wordnik.com.  [Massage] Reference

Richard continued to propel himself feetfirst toward the opening with his elbows and knees, burning the skin off them as he went.    From Wordnik.com.  [Critical Condition]

Josh turned around and slid through the window feetfirst, his long legs dangling for a moment before he got up the guts to drop down.    From Wordnik.com.  [Vanished] Reference

Realizing that most of her experience came courtesy of the flinty Dr. Ingram, Joy swallowed hard as she squeezed into the drain feetfirst.    From Wordnik.com.  [Unearthly Asylum] Reference

He spun until he was going feetfirst and nearly managed to put his blade through the captain's throat, but Dentius ducked out of the way at the last moment.    From Wordnik.com.  [Sun of Suns] Reference

"It's a big one," he said, passing me the device and slipping overside feetfirst into the water.    From Wordnik.com.  [The Water Baby] Reference

Despite that session, Sanchez went headfirst instead of feetfirst on the play he was injured and defended his actions after the game.    From Wordnik.com.  [StAugustine.com] Reference

Despite that session, Sanchez went headfirst instead of feetfirst on the play he was injured, and defended his actions after the game.    From Wordnik.com.  [Fore, right!] Reference

The Penguins star scored the goal when he drove to the net, couldn't stop and went in feetfirst just as a puck shot across the crease by Chris Kunitz hit his stick, then his body and went into the net.    From Wordnik.com.  [Philly.com - Latest Videos] Reference

But you’ve always been the one to jump in feetfirst, to make a decision and stick to it.    From Wordnik.com.  [Breakdowns] Reference

As you’ve learned, to manifest any desire, you need to jump in feetfirst and open yourself to the experience 100 percent.    From Wordnik.com.  [Life Shift] Reference

Then I went feetfirst into a guest bedroom.    From Wordnik.com.  [Persuader]

Girardi was a catcher, so you know he was sliding feetfirst, so that's how we went. ".    From Wordnik.com.  [Gaea Times (by Simple Thoughts) Breaking News and incisive views 24/7] Reference

The baby is feetfirst. ".    From Wordnik.com.  [Mercadian Masques]

Then, thwack, she stopped feetfirst at a squishy, stinky, moving, living wall.    From Wordnik.com.  [GUARDIAN OF THE VEIL] Reference