I say

I say

1. A phrase used for emphasis. I say, my good man, can you take my coat?
2. A phrase used to express surprise or incredulity I say, it feels like it's been raining every day for a month!
3. A phrase that precedes one's opinion or view. Since it’s already 10 o'clock, I say we just stay in for the evening.
See also: say
Farlex Dictionary of Idioms.

I say

1. Used preceding an utterance to call attention to it: I say, do you have the time?
2. Used as an exclamation of surprise, delight, or dismay.
See also: say
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • how about
  • how/what about...?
  • eggs is eggs
  • How long is a piece of string?
  • from my cold, dead hands
  • (one's) best foot forward
  • best foot forward
  • game on
  • going, going, gone
  • going, going, gone!