The heebie-jeebies are a nervous or frightened feeling — the creepy kind you get from a dark stair, a strange noise, a film, or a person who just feels wrong. People usually say something “gives you the heebie-jeebies,” or that you “get the heebie-jeebies.” It is playful, informal American English, and it still sounds a bit funny even when the feeling is real. You would not put it in a formal essay; jitters, fear, or “it gives me the creeps” sit nearer to serious talk, though the creeps is close in meaning. The word is always plural, and it almost always takes the. Nobody is looking at two separate things called a heebie and a jeebie; the two halves rhyme for fun and do not mean anything on their own. It turned up in print in the 1920s and caught on as a jokey name for that shiver.

發毛、心裡一陣發寒（口語；覺得詭異或被嚇到時）