WordNet (r) 3.0 (2006):

red hot
    n 1: a frankfurter served hot on a bun [syn: hotdog, hot
         dog, red hot]

Moby Thesaurus II by Grady Ward, 1.0:

98 Moby Thesaurus words for "red hot":
   abandoned, ablaze, afire, ardent, baking, blistering, boiling,
   boiling over, breathless, broiling, burning, burning hot,
   burning with excitement, canicular, committed, cordial, dedicated,
   delirious, devoted, devout, drunk, earnest, ebullient,
   enthusiastic, excited, exuberant, faithful, fanatic, febrile,
   fervent, fervid, fevered, feverish, fiery, flaming, flushed,
   glowing, grilling, hard-core, hearty, heated, hectic, het up, hot,
   hot as fire, hot as hell, hot-blooded, hotheaded, impassioned,
   in earnest, in rut, inflamed, intense, intent, intent on,
   intoxicated, keen, like a furnace, like an oven, lively, loyal,
   madcap, on fire, overheated, overwarm, parching, passionate,
   perfervid, piping hot, resolute, roasting, scalding, scorching,
   searing, seething, serious, sexually excited, simmering, sincere,
   sizzling hot, smoking hot, spirited, steaming, steamy, sudorific,
   sweating, sweaty, sweltering, sweltry, toasting, torrid,
   totally committed, unrestrained, vehement, vigorous, warm,
   white-hot, zealous