sit on

• sit upon

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sit on (third-person singular simple present sits on, present participle sitting on, simple past and past participle sat on) (transitive)

1. (transitive, idiomatic) To block, suppress, restrain (something).

   The chairman sat on the report until the end of the legislative session.

2. (idiomatic, informal) To restrain (a person).

   He started to act up, but she sat on him.

3. (idiomatic) To take no action on (something); to hold (something) in reserve without actually using.

   I sent the boss my proposal three weeks ago and he's just been sitting on it.

4. To be a member of (something).

   He sits on the appropriations committee.

5. To hold an official inquiry regarding (something); to deliberate about (something).
6. (euphemistic) To insert (something) into one's vagina or anus from below.

   Let me sit on it.

7. Used other than figuratively or idiomatically: see sit,‎ on.

   The cat sat on the mat.

• sit on it

• OSINT, Sinto, Tinos, Tison, Tonis, it's on, noits, oints