† da da, int. Obs.
[app. of nursery origin; but the history is unknown.]
A childish and familiar expression for ‘Good-bye!’; the earlier form of ta-ta.
| 1681 Otway Soldier's Fort. iii. i, Well, da, da, da..prithee don't be troubled, da, da. 1733 Hampton Court Misc. 10 Wife..Da, Da, Monster [exit laughing]. Husb. Farewel, Tormentor. |