nip and tuck
1. noun A cosmetic surgery procedure, often (but not always) one performed on the face. Many women consider getting a nip and tuck as they age, but I think my wrinkles make me look distinguished.
2. noun A minor change to improve something, often the appearance of something. The house just needs a little nip and tuck before it is ready to go up for sale.
3. adjective Of a contest or competition, having a very close margin between the competitors. This race has been nip and tuck, and we won't know who has won until the final vote is counted.
4. adverb Very closely competing; head-to-head. The two teams went nip and tuck down to the final seconds of the game.