sit down on (someone or something)

sit down on (someone or something)

1. To assume a sitting position on top of someone or something. There were no chairs left, so I had to sit down on the coffee table during the party. The woman said she was feeling dizzy, so I told her to sit down on the curb for a minute.
2. To place or set someone or something down on top of someone or something else. In this usage, a noun or pronoun is used between "sit" and "down." The father set the child down on chair in the corner of the room for a time-out. The coach came over and sat a big sandbag down on me to make it harder to do pushups.
See also: down, on, sit
Farlex Dictionary of Idioms.

sit down on something

to be seated on something. Please sit down on this chair and wait until you are called. I don't want to sit down on this hard bench.
See also: down, on, sit
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • sit down on
  • lord over (someone or something)
  • benefit of the doubt, to give/have the
  • be pushed for space
  • be pressed for space
  • see (something) through rose-colored glasses
  • see through rose-colored glasses
  • see (something) through rose-coloured spectacles
  • slump down in
  • slump down into (something)