[1] : The Collaborative International Dictionary of English v.0.48

wag \wag\, v. t. imp.  p. p. wagged; p. pr.  vb. n.
   wagging. oe. waggen; probably of scand. origin; cf. sw.
   vagga to rock a cradle, vagga cradle, icel. vagga, dan.
   vugge; akin to as. wagian to move, wag, wegan to bear, carry,
   g.  d. bewegen to move, and e. weigh. root136. see
   weigh.
   to move one way and the other with quick turns; to shake to
   and fro; to move vibratingly; to cause to vibrate, as a part
   of the body; as, to wag the head.
   1913 webster

         no discerner durst wag his tongue in censure. --shak.
   1913 webster

         every one that passeth thereby shall be astonished, and
         wag his head.                            --jer. xviii.
                                                  16.
   1913 webster

   note: wag expresses specifically the motion of the head and
         body used in buffoonery, mirth, derision, sport, and
         mockery.
         1913 webster
see also:
wagged wagging weigh 

[2] : WordNet (r) 2.0

wag
     n 1: a witty amusing person who makes jokes syn: wit, card
     2: causing to move repeatedly from side to side syn: waggle,
         shake
     v : move from side to side; "the happy dog wagged his tail"
         syn: waggle
     also: wagging, wagged
see also:
wit card waggle shake wagging wagged 

[3] : WordNet (r) 2.0

wagging
     see wag
see also:
wag 

Wagging >> W Words
Wagging, definition of term: Wagging
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