Weed that is searched for in a desperate attempt to get high, found in places that weed is frequented. These places include carpets, dressers, and couches. Couchweed may contain various kinds of ( probably old) weed, pocket lint, pizza crust, maybe toenail clippings.

Someone people turn to when they're sad who makes them feel better.

Weed that falls into the couch, either in a bag or not, and is found sometime after it feel into the couch.