Crossword clue: to act foolishly; to be foolish or sportive; to toy. jamieson.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
To cast aside; to put off; to doff. [Obs.] Canst thou so daff me Thou hast killed my child. Shak.