The "it" in "you're full of it" refers to "sh*t". Means at best that the person saying it thinks that what you're saying is wrong, inaccurate or exaggerated.
That could mean to contradict the other person or undermine what they are saying.
When someone tells you to be mature it means to( "act your age").
It means that you're a good person/ full of good things, but you've been worn down.
law full mean, to do complete and full conducte with someone.
A snitch is someone who tells or tattles on someone else's wrongdoings. It's an insult.
It means that that you are seriously ill.
It means that you are less than what they are looking for.
When someone tells you that you bring out the good side in them, they mean that you appreciate them.
it means to if you do something wrong and someone tells someone in authority what you did
When someone tells you that you don't have a Christianhristian conscience he means you do not have the heart to practice some of the values that Christianity teaches.