noun
Affectionate, childlike term for one's mother. Used mainly by children or in a warm, informal family context. Similar to お母ちゃん but more casual.
See also: お母ちゃん
母ちゃん、今日の晩ごはんなに？
Mom, what's for dinner tonight?
小さい頃はいつも母ちゃんに抱っこしてもらってた。
When I was little, I was always held by my mommy.
noun
wifey; the missus
Familiar, slightly old-fashioned way for a husband to refer to his wife, often with a touch of affection or casualness. Not used by the wife herself.
うちの母ちゃんがうるさくてさ。
My old lady keeps nagging me.
母ちゃんに頼まれて買い物に行ってきた。
I went shopping because the missus asked me to.
Slightly more standard and less childlike than 母ちゃん. Commonly used by both children and adults in casual family settings.
Informal, masculine term for one's mother, often used by adult men. More rough and less childish than 母ちゃん.
Derived from 母 (かあ, 'mother') with the affectionate suffix ちゃん. The reading かあ is a contraction of かか, an old child's word for mother.