The term COMIC-STRIP SHRIEK is composed of two words, YIPE and EEK. YIPE is an exclamation of surprise or fear, usually uttered in a high-pitched voice. It is often used to express shock or alarm. EEK is another exclamation of surprise or fear, usually uttered in a lower-pitched voice. It is often used to express dismay or horror. Both words are commonly used in comic strips to indicate a character's reaction to something unexpected or frightening.