My house is your house

Also found in: Acronyms.

My house is your house,

 and Our house is your house.
Fig. a polite expression said to make a guest feel at home. (From the Spanish phrase Mi casa, su casa.) Bill: Hello, Tom. Tom (entering): So nice you can put me up for the night. Bill: My house is your house, make yourself at home. Mary: Come in, you two. Bill: Thanks. Sue: Yes, thank you. Mary: Well, what can I get you? My house is your house.
See also: house