(名詞) 笨蛋，傻瓜 (idiot)。與 moron 同義。
- He is such a mo mo! (他真是個笨蛋!)
(名詞) 汽車旅館 (motel)。
- The mo mo was set on fire last night. (那家汽車旅館昨晚遭縱火)
(名詞) (美國猶他州俚語) 摩門教徒 (Mormom) 或奉行摩門教義的人。
- That hot girl is a mo mo. (那個辣妹是摩門教徒)
- That family across the street sure is mo mo. They have a lot of kids. (對街那個家庭一定信摩門教。他們有許多孩子)