subs. (thieves).1. Base silver money. TO PLANT THE SOUR = to utter SNIDE (q.v.) silver; whence SOUR-PLANTER. See SHOVER.
1883. GREENWOOD, Tag, Rag, & Co., Planting the Sours. The individual mentioned on the paper was a smasher, or, in other words, a dealer in counterfeit coin, or SOURS. Ibid. It is not in paltry pewter SOURS with which the young woman has dealings, but in dandys, which, rendered into intelligible English, means imitation gold coin.
2. (American).An acid punch: thus WHISKEY-SOUR = whiskey and lemon.
Adj. (B. E.).Crabbed, surly, ill-conditioned.
TO SOUR ON, verb. phr. (American).To treat unkindly.