Lingaku- (jocular) to sleep on the couch; to sleep in the living room
Generated: This expression is used humorously to describe someone who is temporarily taking up residence on a couch or in the living room, often implying a lighthearted situation like having been "sent to the sofa" due to a disagreement or as a playful consequence of behavior.
He was scolded by his wife last night, so now he's sleeping on the couch.