Multiple meanings/purposes;(1) Feeling creeped out by someone or something , Gives you the "willies". (2)Makes your hair stand on end.
You may also say "hibbly jibblies"
(1)Man, the Exorcist gives me the hibbly jibblies! (2) It's so cold out I'm getting the hibbly jibblies!
Pure, unadulterated, fucking of two humans.
Let's go to the dance and do the hibbly jibbly in the janitor's closet!