おばちゃん

aunt; middle-aged woman

Word type: 

Kanji: 

叔母ちゃん

Standard: 

おばさん

Standard kanji: 

叔母さん

Example: 

おばちゃん、その服どこで買うたん？
Hey, here did you buy those cloths?

Commentary: 

This phrase is often used when calling for somebody or getting their attention. It should usually be used only with people you have a little history with. It can also be used with family members.

The male counterpart of おばちゃん is おっちゃん.

Also see おばはん.