put a pin in

Etymology
Metaphors that arise from various uses of pins, including popping a balloon, pinning in place, and marking with a pin (such as a map position) so that something can be found quickly later.

Verb

 * 1) To discredit or ridicule; to deflate someone or something that is pompous or overly esteemed.
 * 2) To make something certain; to nail down.
 * 3) To postpone; to stop focusing or working on (something) until it can be finished at a later time.
 * 1) To make something certain; to nail down.
 * 2) To postpone; to stop focusing or working on (something) until it can be finished at a later time.
 * 1) To postpone; to stop focusing or working on (something) until it can be finished at a later time.
 * 1) To postpone; to stop focusing or working on (something) until it can be finished at a later time.
 * 1) To postpone; to stop focusing or working on (something) until it can be finished at a later time.