be nip and tuck

be nip and tuck

  (American informal)
if two people who are competing are nip and tuck, they have almost the same number of points and either of them could win There's no saying who's going to win this game. It's been nip and tuck all the way.
See also: and, nip, tuck
References in classic literature ?
Even as it was, it would be nip and tuck as to who came first to her side.
It will be nip and tuck, and we will have to take our chances when they come.
It's going to be nip and tuck, and could come down to pressure and experience," Graham said.