Ring false verb phrase
Used to say that something seems false
I think her excuse rang false.
His answer rings false.
False; fake
The verb "ring" should be conjugated according to its tense.
A humorous way of saying that what one has said is just what they acknowledge and may not be entirely accurate
Mike: Have you returned from your vacation on the beach? Your skin seems to get tanned.
Jenny: My skin is always dark. That's my story and I'm sticking to it!