tyke (n.)

late 14c., "cur, mongrel," from a Scandinavian source akin to Old Norse tik "bitch," from Proto-Germanic *tikk- (source also of Middle Low German tike). Also applied in Middle English to a low-bred or lazy man. The meaning "child" is from 1902, though the word was used in playful reproof from 1894. As a nickname for a Yorkshireman, from c. 1700; "Perhaps originally opprobrious; but now accepted and owned" [OED].

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Definitions of tyke from WordNet
tyke (n.)
a crude uncouth ill-bred person lacking culture or refinement;
Synonyms: peasant / barbarian / boor / churl / Goth / tike
tyke (n.)
a young person of either sex;
Synonyms: child / kid / youngster / minor / shaver / nipper / small fry / tiddler / tike / fry / nestling
Tyke (n.)
a native of Yorkshire;