By guess and by golly phrase
Relying on guessing and luck
I went by guess and by golly because I didn't know what the answer was.
By guess and by golly, I answered correctly.
To be thankful or grateful for one's good luck usually while avoiding a bad situation
Used to indicate that it is very easy to guess something
A normally unreliable person can still be right about something, even if it is only by accident.
It is used to say that someone is lucky.
To indulge unlikely or fantastical possibilities
He tends to cast beyond the moon, so his moniker is "dreamer".