1) The strong wreak of booze on a professional's (lawyer, doctor, ad man) breath before
sun down on
work days only.
2) A level of halitosis only reached by beginning drinking brown liquor circa 10:30am and not stopping all
work day long.
3) Of or relating to Don Draper and his breath, at the office on the show Mad Men. Considering he drinks all day, it must be just awful.