A House Potato is an unemployed person that lives off other people's money, gives advice that nobody wants, and is in good general shape. Also brags about all the stuff she bought.
Stot telling me what to do you House Potato, I'v got a job!
A person who never wants to do anything other than sit in their house
Damn guys I can’t get my homie obi wan to come out and shoot hoops , he’s such a house potato lately.