heebie-jeebies is a condition of extreme nervousness caused by fear, worry, strain, etc.; the jitters;
the willies (usually preceded by something of the following):
1. Being alone
in the dark gives me the heebie-jeebies.
2 The speech therapist said she got the heebie-jeebies.
3 How can you have the heebie-jeebies for Mr. Boggles-worth? Look at him.
4 A ghost touched me in my sleep and I got the rite heebie-jeebies.
5 Don't start talking about aunt Doreen - she gives me such the heebie-jeebies.
6
I don't mind most insects, but spiders really give me the heebie-jeebies.
7 Seeing a spider, even on the TV, always gives me the heebie-jeebies.
8 For a code-quality addict like myself, this combination drastically reduces the heebie-jeebies and allows me to get to what I like doing best: writing bullet-proof software.
Origin
Said to be in the 1920's