Definitions for overniceˌoʊ vərˈnaɪs
Random House Webster's College Dictionary
Category: Common Vocabulary
Origin of overnice:
dainty, nice, overnice, prissy, squeamish(adj)
excessively fastidious and easily disgusted
"too nice about his food to take to camp cooking"; "so squeamish he would only touch the toilet handle with his elbow"