jonais means in slang: Jonais is an unusual name. You won’t find any other Jonais. Jonais is a sweet, kind and caring boy. But don’t let Jonais’ charming appearance fool you. Jonais is a funny guy with a good sense of humor. He can make anyone smile, no matter how hard you try. Jonais can be tough and competitive, but that’s what makes him unique. (in Slang Dictionary, added by Chana Morris)