then and there

then and there

At that exact place and moment in time. Mark made a derogatory comment toward one of our coworkers, and the boss fired him right then and there. I'm not going to wait for them to get back to me in a month or however long they decide to take—I'm going to their office so I can settle this then and there.
See also: and, there
Farlex Dictionary of Idioms.

then and there

Cliché right at that time and place. I asked him right then and there exactly what he meant. I decided to settle the matter then and there and not wait until Monday.
See also: and, there
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

then and there

Also, there and then. At that precise time and place; on the spot. For example, When the board questioned his judgment again, he resigned then and there. The first term was first recorded in 1442, the variant in 1496.
See also: and, there
The American Heritage® Dictionary of Idioms by Christine Ammer.

then and there

mod. right then. Right then and there, he pulled up his shirt and showed everyone the jagged scar.
See also: and, there
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions

then and there

At that particular time and place, on the spot. This fifteenth-century phrase has probably survived owing to its pleasing alliteration. It is often used as a synonym for “immediately,” as in “The doctor stitched her up then and there.” For a time it also was put as there and then, but this usage is far less common and consequently does not qualify as a cliché.
See also: and, there
The Dictionary of Clichés by Christine Ammer
See also:
  • there and then
  • mark (one's) card
  • mark someone's card
  • snide
  • snide comment
  • request (one) to (do something)
  • blob
  • foundry
  • nut factory
  • nuthatch