Lay (something) at (one's) feet verb phrase
To put something on the ground in front of someone
The dog laid the wallet I had dropped at my feet. What a smart dog!
To make someone responsible for something
He lost my favorite book, so I would lay it at his feet.
You can't lay this matter at my feet. It's not my fault.
The verb "lay" should be conjugated according to its tense.
To say, or believe something or someone that seems completely crazy, delusional, or stupid
You spent 1000$ on a new pair of shoes! It is insanely crazy. You need your head examined.