the slang expression often assciated with ppl who watch a lot of TV. tv is made of electron tube. "couch potato" is said to refer to the potato b/c it is a tubular vegatable w/ eyes (lil blacks specks on the potato) to symbolize some1's yeys, glued to the tube...
he's a lil couch potato.
A person who watches excessive amounts of television, has no job, no ambition, no goals set for his/her life, respects whores instead of engaging in sexual activity, also no reguards for ones possesion ex. vehicles, living conditions etc.
Wesley Allen is such a couch potato.
one is able to substitute any word of choice for potato. such as..."couch prune"....however, it has been combined with more derrogitory terms. for example..."couch fag."