Jack Daniels. In a 1-oz. serving of Jack Daniels whiskey, which equates to a little less than a full shot at a respectable bar, contains about 69 calories. While that may not seem like a lot, after a couple of these bad boys mixed with cola, you've racked up quite a few calories. Jose Cuervo.
Medical Definition of black widow. : a venomous New World spider of the genus Latrodectus (L. mactans) the female of which is black with an hourglass-shaped red mark on the underside of the abdomen; broadly : any other spider of the genus Latrodectus.
Strain Highlights. The evil sister of White Widow, the Black Widow strain maintains the family reputation for high natural THC levels. Bred by Mr. Nice Seed Bank, Black Widow is a nice balanced hybrid marijuana strain.