The Collaborative International Dictionary of English v.0.48:

Huff \Huff\, v. t. [imp. & p. p. Huffed; p. pr. & vb. n.
   Huffing.] [Cf. OE. hoove to puff up, blow; prob. of
   imitative origin.]
   1. To swell; to enlarge; to puff up; as, huffed up with air.
      --Grew.
      [1913 Webster]

   2. To treat with insolence and arrogance; to chide or rebuke
      with insolence; to hector; to bully.
      [1913 Webster]

            You must not presume to huff us.      --Echard.
      [1913 Webster]

   3. (Draughts) To remove from the board (the piece which could
      have captured an opposing piece). See Huff, v. i., 3.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Huff \Huff\, v. i.
   1. To enlarge; to swell up; as, bread huffs.
      [1913 Webster]

   2. To bluster or swell with anger, pride, or arrogance; to
      storm; to take offense.
      [1913 Webster]

            This senseless arrogant conceit of theirs made them
            huff at the doctrine of repentance.   --South.
      [1913 Webster]

   3. (Draughts) To remove from the board a man which could have
      captured a piece but has not done so; -- so called because
      it was the habit to blow upon the piece.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Huff \Huff\, n.
   1. A swell of sudden anger or arrogance; a fit of
      disappointment and petulance or anger; a rage. "Left the
      place in a huff." --W. Irving.
      [1913 Webster]

   2. A boaster; one swelled with a false opinion of his own
      value or importance.
      [1913 Webster]

            Lewd, shallow-brained huffs make atheism and
            contempt of religion the sole badge . . . of wit.
                                                  --South.
      [1913 Webster]

   To take huff, to take offence. --Cowper.
      [1913 Webster]

WordNet (r) 3.0 (2006):

huff
    n 1: a state of irritation or annoyance [syn: huff, miff,
         seeing red]
    v 1: inhale recreational drugs; "The addict was snorting cocaine
         almost every day"; "the kids were huffing glue" [syn:
         huff, snort]
    2: blow hard and loudly; "he huffed and puffed as he made his
       way up the mountain" [syn: puff, huff, chuff]

Moby Thesaurus II by Grady Ward, 1.0:

143 Moby Thesaurus words for "huff":
   add to, aggrandize, aggravate, amplify, angered, annoy, annoyed,
   arouse, augment, blast, bloat, blow, blow a hurricane,
   blow great guns, blow over, blow up, bludgeon, bluster,
   bluster out of, breathe, breathe hard, breathe in, breathe out,
   breeze, breeze up, brew, bristle, broaden, browbeat, build,
   build up, bulk, bulk out, bulldoze, bully, chafe, come up, cough,
   cow, crescendo, demoralize, develop, dilate, distend, dragoon,
   dudgeon, embitter, enlarge, exasperate, exasperated, exhale,
   exhaust, expand, expel, expire, extend, ferment, freshen, fret,
   fume, gasp, gather, grate, gulp, hack, harass, heave, hector,
   hiccup, high dudgeon, hike, hike up, in a huff, in a pet, incense,
   increase, inflame, inflate, inhale, inspire, intimidate, irritate,
   irritated, magnify, miff, nettle, pant, peeve, peeved, pet,
   petulant, pipe up, pique, piqued, provoke, provoked, puff, puff up,
   pump, pump up, put out, rage, raise, rankle, rarefy, resentment,
   respire, rile, roil, ruffle, set in, set up, sigh, sneeze, sniff,
   sniffle, snore, snort, snuff, snuffle, squall, stew,
   stir the blood, stir up, storm, stretch, sufflate, swell,
   systematically terrorize, terrorize, testy, threaten, tiff,
   umbrage, up, vex, vexed, waft, wheeze, whiff, whiffle, widen,
   work up



The Jargon File (version 4.4.7, 29 Dec 2003):

huff
 v.

    To compress data using a Huffman code. Various programs that use such
    methods have been called ?HUFF? or some variant thereof. Oppose puff.
    Compare crunch, compress.


The Free On-line Dictionary of Computing (30 December 2018):

huff

    To compress data using Huffman coding.
   Various programs that use such methods have been called "HUFF"
   or some variant thereof.

   Opposite: puff.  Compare crunch, compress.

   [Jargon File]

   (1994-12-23)