My parents grew up in the 1930s. Because of this they were heavily influenced as children on radio programs and in their community around the language they speak.
For example: My Aunt constantly calls the washing machine the “wErsher”.
For my parents it is phrases which come out from me at various times which leaves my wife looking at me like a lunatic. One of the more famous incidents in our marriage we were discussing something she liked and I said, “Well that is your cup of tea.”
This apparently was a phrase she had never heard of before. Now I know it is fairly common phrase so I was a bit confused. So after explaining it she says, “Oh, you mean like, ‘Its your bag of oats'”. Now it was my turn to be dumbfounded.
Other phrases I have used have racial connotations which at my younger age I never would have picked up, “Cotton Pick’in” referring to Blacks.
Or a lot of phrases which are innocous in nature such as:
“Busier than a one armed paper hanger.”
I am sure there are others but these are ones which I know were unfamiliar to others. Anyway that is all for now. I might add more if I remember them.