~ 1
■ adjective ( tiddlier , tiddliest ) Brit. informal slightly drunk.
Origin
C19 (asnoun denoting an alcoholic drink): perh. from sl. ~wink , denoting an unlicensed public house.
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~ 2
■ adjective ( tiddlier , tiddliest ) Brit. informal little; tiny.
Origin
C19: var. of colloq. tiddy , of unknown origin.