weigh in

US /weɪ ɪn/
UK /weɪ ɪn/
"weigh in" picture
1.

to join in a discussion or argument with a strong opinion or contribution

:
Everyone wanted to weigh in on the new policy.
The expert decided to weigh in with his analysis.
2.

to measure the weight of someone or something, especially before a competition

:
The boxer had to weigh in before the fight.
They will weigh in the fish to determine the winner.