noun British informal

a very small fish or aquatic creature, esp a stickleback, minnow, or tadpole
a small child, esp one undersized for its age

Word Origin for tiddler

C19: from dialectal tittlebat, childish variant of stickleback, influenced by tiddly 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for tiddler

Historical Examples of tiddler

  • Tiddler has enemies, like the best of mines: or they may be named lovers, if you like.

  • It all came of the junior master's clandestine connection with the Tiddler.

    Young Blood

    E. W. Hornung

  • Tom Tiddler took them into a large kitchen where Mrs. Tiddler was busy making the tea.

  • You and Tiddler will keep twenty yards behind to cover us if necessary, but no firing unless you are absolutely obliged.

  • And he exhibited the piece of barbed wire on which, forgetting all about it, Tiddler had sat down heavily.