A large and well-girthed penis.
Hey man, look at your skinny pencil dick. Mine is a schmonster..seee?
Best breakfast sandwich ever made. It is a breakfast sandwich made with double meat, double cheese, and double egg. either on a bagel, biscuit, or muffin. Only available at Sheetz.
I hadnt eaten anything all day, but the Schmonster capped my appitite for a week.
I tried eating a Schmonster while driving, and it turned into a schmess.
Your mom ate my schmonster.