Meaning : Inconclusive as to outcome. Close or just even in a race or comparison or competition.
Example :
As they approached the finish line they were neck and neck.
The election was a nip and tuck affair.
Synonyms : head-to-head, nip and tuck
Meaning : Even or close in a race or competition or comparison.
Example :
The horses ran neck and neck.
He won nip and tuck.
Synonyms : head-to-head, nip and tuck