Be/come a poor second, third, etc. verb phrase
To finish a competition, especially a race, a long way behind the winner
Tim was sad because he came a poor second in the school contest.
Sadly, Mac was a poor third in the race despite all the hard work he put into his training.
The rival was so fast that he made our player came a poor second.
To be considered lower in value or quality in comparison with the other thing
To me, health is everything and money is a poor second.
Having extremely poor quality, value or position
The verb "be/come" should be conjugated according to its tense.
If you fall for someone's trick the first time then they are at fault.
Are you going to mess with me again? Fool me once, shame on you; fool me twice, shame on me.