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.
5Black Widow Spider (Latrodectus mactans) The black widow is responsible for more than 2,500 visits to poison control centers every year in the U.S. It is one species that can be found from the United States and parts of Canada through Latin America and the West Indies.