mid-15c., apparently imitative of exhaling. Extended sense of "bluster with indignation" is attested from 1590s. Huffy "ready to take offense" is from 1670s.
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.
compression 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)