tiddler

/ (ˈtɪdlə) /

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

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