writhe, ache, agonize, ail, anguish, bend, bleed, blench, buckle, contort, crook, crumple, distort, feel pain, feel the pangs, fidget, flinch, flip out, flutter, freak out on , get high on, glow, gnarl, go hard with, go pitapat, grimace, have a misery, have the fidgets, have the shakes, heave, hurt, jerk, knot, palpitate, pant, pound, quake, quaver, quiver, recoil, screw, shake, shiver, shoot, shrink, smart, spring, squiggle, squirm, suffer, suffer anguish, swell, swell with emotion, thrash, thrill, thrill to, throb, tingle, tingle with excitement, toss, toss and turn, tremble, tumble, turn, turn awry, turn on to, twinge, twist, twist and turn, twitch, twitter, wag, waggle, warp, wiggle, wince, worm, wrench, wrest, wriggle, wring