1. [n]  a state of irritation or annoyance
2. [v]  blow hard and loudly
3. [v]  inhale recreational drugs

1. \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.
   
   2. To treat with insolence and arrogance; to chide or rebuke
      with insolence; to hector; to bully.
   
            You must not presume to huff us.      --Echard.
   
   3. (Draughts) To remove from the board (the piece which could
      have captured an opposing piece). See {Huff}, v. i., 3.
   
   

2. \Huff\, v. i.
   1. To enlarge; to swell up; as, bread huffs.
   
   2. To bluster or swell with anger, pride, or arrogance; to
      storm; to take offense.
   
            THis senseless arrogant conceit of theirs made them
            huff at the doctrine of repentance.   --South.
   
   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.
   
   

3. \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.
   
   2. A boaster; one swelled with a false opinion of his own
      value or importance.
   
            Lewd, shallow-brained huffs make atheism and
            contempt of religion the sole badge . . . of wit.
                                                  --South.
   
   {To take huff}, to take offence. --Cowper.
   
   

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

Opposite: puff. Compare crunch, compress.

[jargon file]