Combination of sadge and madge, displaying both a sad and mad general attitude without feeling the need to further act on these emotions.
Person A: "I asked Vanessa out but she said 'ew' and went away."
Person B: "Smadge, what a fucking bitch."
Person A: "I would have had a job interview today but I mistyped my phone number when I gave it to the agency so they tried calling the wrong one and I didn't get the interview."
Person B: "Smadge, you idiot!"