An authentic source; someone who directly experienced or witnessed something.
meal ticket
Someone or something that provides income or livelihood, especially as…
put words in someone's mouth
To say or imply that someone has made a statement or remark which they…
problem child
Someone or something persistently difficult or vexing; a frequent sour…
straight from the horse's mouth
firsthand; direct; from the source.
know inside and out
To know (something or someone) very thoroughly.
paper tiger
Something or someone that appears powerful, strong or threatening but …