slip something over on (one)

slip something over

dated To con, deceive or take advantage of someone; to make a fool of or hoodwink someone. I needed to make sure that they weren't trying to slip something over without paying me what I was owed. Beware of these street vendors selling tacky souvenirs. They're usually just trying to slip something over.
See also: over, slip, something

slip something over on (one)

To con, deceive or take advantage of one; to make a fool of or hoodwink one. Hey, these aren't real pearls! Are you trying to slip something over on me? Beware of deals advertised online that sound too good to be true. They're usually just trying to slip something over on you.
See also: on, over, slip, something
Farlex Dictionary of Idioms.

slip something over on someone or something

 and slip one over on someone or something; slip something over; slip one over
to deceive someone. Are you trying to slip something over on me? I think he tried to slip one over on me.
See also: on, over, slip
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

slip something over on

Hoodwink, trick, as in Her lawyer tried to slip one over on him, but his lawyer wouldn't let him get away with it , or Don't trust Dan-he's always slipping something over on his customers. [c. 1900]
See also: on, over, slip, something
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • accompany (one) on a/(one's) journey
  • accompany on a journey
  • better of
  • be out of (one's) league
  • be out of somebody's league
  • be/have done with somebody/something
  • bargain
  • bargain for (someone or something) with (someone)
  • brief (someone) about (someone or something)
  • brief about