ibby-jibbies
n.— Note: A variant of “heeby-jeebies.” «Now, personally I’ve always had the ibby-jibbies about putting my amphibians in my refrigerator, for fear of killing them.» —“Re: toads” by Michael R. Hall Usenet: rec.pets Dec. 14, 1990. (source: Double-Tongued Dictionary)
heeby-jeebies: nervous response, as in the Louie Armstrong song of the same name which prefixes a dance and the blues.