sag, tailspin, meltdown, slump, gyrations, nosedive, sputter, plunge, nose dive, drool, malaise, slide, falter, flameout, underwhelm, funk, pratfall, decline, dip, gyrate, tumble, wobble, doldrums, shudder, falloff, downslide, frenzy, giggler, surge, angst, fret, fall, boomlet, softness, skid, letdown, flatline, losing streak, weepiness, conniption, implosion, giddiness, weakness, collapse, wince, selloff, titter, cringe, binge, shiver, shriek, frothiness, bubblehead, aughts, upswing, resurgence, gaga, yawn, sluggishness, droop, stinker, darlings, simper, winning streak, leer, jitters, guffaw, totter, blowup, gush, chortle, bounceback, sizzle, rockiness, exuberance, bubble, dazzle, fadeout, blahs, rout, pause, tumult, stumbling, mania, laughers, fakeout, downspin, redhot, insipidness, perky, trainwreck, lows, rut, agita, ebullience, crankiness, snicker, swan dive, splash, devilishness, goldilocks, infatuation, trance, torpor, ecstasy, forgetfulness, stupor, repose, slumber, daze, lassitude, reverie, weariness, hush, lethargy, insensibility, languor, madness, oblivion, stillness, unconsciousness

black out, lose consciousness, loss of consciousness, pass out, zonk out

conk, faint, pass out, syncope