The term 'Nip and TUCK' is a phrase that has been used since the early 19th century to describe a process of making small changes or adjustments. It is often used in reference to cosmetic surgery, but can also be used to describe any kind of minor alteration. The phrase is derived from the verb 'to nip, ' which means to pinch or bite, and the verb 'to TUCK, ' which means to fold or draw up. Together, these two verbs create a phrase that implies making small changes or adjustments.