say the quiet part loud

final say

The right to make a final decision.

for crying out loud

Used to express frustration, exasperation, or annoyance.

for fucking out loud

Synonym of for crying out loud.

for the most part

In most aspects; mostly; generally.

have a quiet word

To speak to someone in private.

have a say

To (receive the opportunity to) voice one's opinion.

I'd say

It is my estimate or opinion.

I'll say

Used to indicate emphatic agreement