The term 'PALSY-Walsy' is a phrase that originated in the early 19th century and is used to describe someone who is overly FRIENDLY or intimate with another person. It is derived from the combination of two words, 'PALSY' and 'walsy, ' which both mean 'AFFECTIONATE.' PALSY is a five-letter word meaning 'PARALYSIS, ' while walsy is a four-letter word meaning 'FRIENDLY.' Together, they form the phrase 'PALSY-walsy, ' which is used to describe someone who is overly FRIENDLY or intimate with another person.