something

   1. an alcoholic drink

   You may be asked if you would like a little something, although the amount may turn out to be substantial if you accept. Also as something short, moist, or for the thirst:

    'May we offer you something?' Birkenhead said. Griffith did not reply but Collins shook his head. (Flanagan, 1995)

    She pulled out a bottle of gin, asking me if I would have a drop of something short. (Mayhew, 1862)

    I doubt if he were quite as fully sensible of the gentleman's merits under arid conditions, as when something moist was going. (C. Dickens, 1861)

    There's usually a little something for the thirst that's in it. (McCourt, 1997)

   2. an expletive

   Of the same tendency as blank¹ and, similarly, seldom used today:

    It's nothing but twists and turns, and there isn't a something fence you could go fast at without risking your something neck... and a nice hope I've got on that blank sketchy jumper. (Sassoon, 1928)

   You may also hear something-something used in the same sense, in polite circles.