Definition: Mortgage lifter tomato - a slang term used in a conversation among people discussing the topic of mortgage lending and loan agreements, meaning someone who has a high income but may struggle to pay off their mortgage due to financial hardships or unforeseen circumstances that prevent them from repaying it. The term is often used by those who are struggling with debt repayment or who have been unsuccessful at paying their mortgage. Definition: Mortgage lifter tomato - A slang term used in a conversation among people discussing the topic of mortgage lending and loan agreements, referring to someone who has a high income but may struggle to pay off their mortgage due to financial hardships or unforeseen circumstances that prevent them from repaying it. The term is often used by those who are struggling with debt repayment or who have been unsuccessful at paying their mortgage.