Blurf

1. An onomatopoeia (written sound effect) used to express disgust. People use this word as an exaggerated, comical way of acting like he or she is vomiting.

Dad: That sweat stain right there on the couch is where you were conceived 15 years ago.

Mom: Oh my🤭

Son: Huh? …OH! Ewww! Blurf!