tiddler

/ (ˈtɪdlə) /

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

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

The Story of the Three Goblins |Mabel G. Taggart
Tiddler has enemies, like the best of mines: or they may be named lovers, if you like.

One of Our Conquerors, Complete |George Meredith
And, leaving the gun where it was, he clambered down, to find Hawke and Tiddler waiting for him.

With Haig on the Somme |D. H. Parry
And he exhibited the piece of barbed wire on which, forgetting all about it, Tiddler had sat down heavily.

With Haig on the Somme |D. H. Parry

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

Young Blood |E. W. Hornung