hiccupuke
When you hiccup and at the same time throw up in your mouth. Sounds similar to Pikachu.
Person 1: "What do you call it when you hiccup and puke at the same time?"
Person 2: "Hiccupuke."
Person 3 and 1: "It sounds like Pikachu lawlawlawlawl"
Person 2: "Hiccupuke."
Person 3 and 1: "It sounds like Pikachu lawlawlawlawl"