Phrase

It could mean several things. Have you more context?

Getting to know each other...maybe to be careful

Anonymous"What a line!"

Three words is not much to go on, but I'd guess "What a [surprising / ridiculous / interesting] thing to say!"

CJ

"A line" is a clever verbal way that men use to get a pretty girl (usually at a bar) to talk with them.

AlpheccaStars"A line" is a clever verbal way that men use to get a pretty girl (usually at a bar) to talk with them.

Or, possibly,

"A line" is what desperate men say to get any girl (usually at a bar) to talk with them, usually with little success.

When I googled "what a line," the first result that came up related to people standing in line (a queue).

ozzourtiWhen I googled "what a line," the first result that came up related to people standing in line (a queue).

We must write to Google so they can fix their search engine!

CJ

ozzourtiWhen I googled "what a line," the first result that came up related to people standing in line (a queue).

Well, it might be what you would say if you were looking at the Apple store in New York before opening on the first day that the latest new iPhone was available.