2. a hot and spicey tomato juice drink popular in the 1960s. It was often associated with people drinking it in the morning to help recover from a hangover.
3. crank, crab, grouse, grump, curmudgeon, turd,grouch, jackass, snot, creep
"Woody woodpecker is a Snappy Tom."
"David Letterman was a real Snappy Tom last night."