A mental condition caused by low self esteem where you’re too depressed or lazy to do anything else.
The guy had such a severe case of whooping couch nobody saw him for weeks.
Couch not for sitting. Just nice to look at.
Don't sit on granny's couch!!
The act of sitting on the couch and being in such a state that even theories regarding cosmology and engaging pastimes, such as fencing, lose their appeal in lieu of induced TV coma, abnormal snacking and fantastically long power naps.
Justin rather enjoys his couch potato-ness, but only on the weekends.