Belgium· medium· informal
avoir une brique dans le ventre
“to have a brick in one's stomach”
Meaning
to long to own your own home
Explanation
A very Belgian trait: an almost inborn drive to build or own a house of your own rather than rent one.
Example
Chez nous, tout le monde a une brique dans le ventre, on rêve tous d'avoir sa maison.
Around here, everyone has that urge to own a home, we all dream of having our own house.
Origin
Took off in Belgium after the First World War, when a great many households were desperate to own their own place rather than rent.
Source