Before revision: Couch surfing is a term that is generally defined as when an individual moves from house to house, sleeping in whatever spare space is available , oftentimes a couch or floor , generally staying a few days before moving on to the next house.
After revision: Couch surfing is a term that generally indicates the practice of moving from house to house, sleeping in whatever spare space is available (often a couch or floor , generally staying a few days before moving on to another) house.