Meaning of nip and tuck

(adj) inconclusive as to outcome; close or just even in a race or comparison or competition; "as they approached the finish line they were neck and neck"; "the election was a nip and tuck affair"

(adv) even or close in a race or competition or comparison; "the horses ran neck and neck"; "he won nip and tuck"

(noun) plastic surgery to remove wrinkles and other signs of aging from your face; an incision is made near the hair line and skin is pulled back and excess tissue is excised; "some actresses have more than one face lift"