Source : Webster's Revised Unabridged Dictionary (1913)

Slang \Slang\, v. t. [imp. & p. p. {Slanged}; p. pr. & vb. n.
   {Slanging}.]
   To address with slang or ribaldry; to insult with vulgar
   language. [Colloq.]

         Every gentleman abused by a cabman or slanged by a
         bargee was bound there and then to take off his coat
         and challenge him to fisticuffs.         --London
                                                  Spectator.

Slang \Slang\,
   imp. of {Sling}. Slung. [Archaic]

Slang \Slang\, n.
   Any long, narrow piece of land; a promontory. [Local, Eng.]
   --Holland.

Slang \Slang\, n. [Cf. {Sling}.]
   A fetter worn on the leg by a convict. [Eng.]

Slang \Slang\, n. [Said to be of Gypsy origin; but probably from
   Scand., and akin to E. sling; cf. Norw. sleng a slinging, an
   invention, device, slengja to sling, to cast, slengja kjeften
   (literally, to sling the jaw) to use abusive language, to use
   slang, slenjeord (ord = word) an insulting word, a new word
   that has no just reason for being.]
   Low, vulgar, unauthorized language; a popular but
   unauthorized word, phrase, or mode of expression; also, the
   jargon of some particular calling or class in society; low
   popular cant; as, the slang of the theater, of college, of
   sailors, etc.

Sling \Sling\, v. t. [imp. {Slung}, Archaic {Slang}; p. p.
   {Slung}; p. pr. & vb. n. {Slinging}.] [AS. slingan; akin to
   D. slingeren, G. schlingen, to wind, to twist, to creep, OHG.
   slingan to wind, to twist, to move to and fro, Icel. slyngva,
   sl["o]ngva, to sling, Sw. slunga, Dan. slynge, Lith. slinkti
   to creep.]
   1. To throw with a sling. ``Every one could sling stones at
      an hairbreadth, and not miss.'' --Judg. xx. 16.

   2. To throw; to hurl; to cast. --Addison.

   3. To hang so as to swing; as, to sling a pack.

   4. (Naut) To pass a rope round, as a cask, gun, etc.,
      preparatory to attaching a hoisting or lowering tackle.

Source : WordNet®

slang
     n 1: informal language consisting of words and expressions that
          are not considered appropriate for formal occasions;
          often vituperative or vulgar; "their speech was full of
          slang expressions"
     2: a characteristic language of a particular group (as among
        thieves); "they don't speak our lingo" [syn: {cant}, {jargon},
         {lingo}, {argot}, {patois}, {vernacular}]

slang
     v 1: use slang or vulgar language
     2: fool or hoax; "The immigrant was duped because he trusted
        everyone"; "You can't fool me!" [syn: {gull}, {dupe}, {befool},
         {cod}, {fool}, {put on}, {take in}, {put one over}, {put
        one across}]
     3: abuse with coarse language

Source : Free On-Line Dictionary of Computing

S-Lang
     
         A small but highly functional {embedded}
        {interpreter}.  S-Lang was a stack-based {postfix} language
        resembling {Forth} and {BC}/{DC} with limited support for
        {infix notation}.  Now it has a {C}-like infix syntax.
        {Arrays}, stings, integers, {floating-point} and {autoloading}
        are all suported.  The editor {JED} embeds S-lang.
     
        S-Lang is available under the {GNU Library General Public
        License}.  It runs on {MS-DOS}, {Unix}, and {VMS}.
     
        Latest version: 0.94, as of 1993-06-12.
     
        {(ftp://amy.tch.harvard.edu/)}.
     
        E-mail: John E. Davis .
     
        (2000-10-30)

SLANG
     
        1. R.A. Sibley.  CACM 4(1):75-84 (Jan 1961).
     
        2. Set LANGuage.  Jastrzebowski, ca 1990.  C extension with
        set-theoretic data types and garbage collection.  "The SLANG
        Programming Language Reference Manual, Version 3.3",
        W. Jastrzebowski , 1990.
     
        3. Structured LANGuage.  Michael Kessler, IBM.  A language
        based on structured programming macros for IBM 370 assembly
        language.  "Project RMAG: SLANG (Structured Language)
        Compiler", R.A. Magnuson, NIH-DCRT-DMB-SSS-UG105, NIH, DHEW,
        Bethesda, MD 20205 (1980).
     
        4. "SLANG: A Problem Solving Language for Continuous-Model
        Simulation and Optimisation", J.M. Thames, Proc 24th ACM Natl
        Conf 1969.