Feed (one) a line informal verb phrase
“Give someone a line” is also used to convey the same meaning.
To deceive someone into believing something that is not true, often as an excuse
He fed me a line about his family emergency.
Do not feed me a line! Why did you do it?
She told me that she was very busy so she couldn't help me, but I knew that she was just trying to feed me a line.
To avoid trouble or get out of a difficult situation by telling lies
The verb "feed" should be conjugated according to its tense.
The origin of this expression is not clear.
1. A type of soup that contains small pieces of pasta shaped into letters.
2. A mixture of letters which make you confused to understand, usually acronyms or abbreviations
1. I enjoyed alphabet soup when I was young.
2. The name of the organization is an alphabet soup of A.D.B which stands for Asian Development Bank.