Put one over on (one) American British phrasal verb
to trick someone
Janette: I'm going to buy marketing online course from Jill. Jen: He's a scammer. He’s just trying to put one over on you. I used to be his victim.
Lucy: Lucifer was sentenced to years in prison after putting one over on the Department of taxation. Liza: You mean he's in jail because of tax evasion.
Ellen is trying to put one over on me, but I already know her plan so I will let she has a taste of her medicine.
How can I put one over on you, please believe in me, this is all good for you.
The phrase starts with a verb, therefore, it needs to conjugate within the sentence.
To begin to decline or deteriorate decline; to get worse very quickly
After his leg's injury, his skiing career hit the skids.