[f. prec. sb.] To make a jumbled mixture of (liquors); to mix with inferior ingredients, to adulterate.
1674. in D’Urfey, Pills (1872), III. 304. When Thames was balderdashed with Tweed.
1730. Mandeville, Hypochond. Dis., 279 (L.). Wine or brandy … balderdashed with two or three sorts of simple waters.
1771. Smollett, Humph. Cl. (1815), 143. Wine … a vile, unpalatable, and pernicious sophistication, balderdashed with cider, corn-spirit, and the juice of sloes.
fig. 1714. Milbourne, Traitor’s Rew., Pref. Was ever God’s word so balderdash’d?
1821. W. Irving, in Warner, Life (1882), 136. A fostered growth of poetry and romance, and balderdashed with false sentiment.
