Put A Cork In It used as a rude way to tell someone to stop talking and especially to stop complaining or talking.
Chiefly US informal for telling someone to stop talking or going on about something, dates from the early 1900s, from the obvious allusion to closing off a bottle with a cork. See also Corker.
Example:
- Why don’t you put a cork in it! I’m sick of your whining!
- Dad told me to put a cork in it when I wouldn’t stop talking.
To stop talking and be quiet. Usually used as an imperative. Put a cork in it, you two! I don’t want to hear any more arguing until we get to Grandma’s house.
Source: Wikipedia
Synonym of put a sock in it (“be quiet”)
2 cork /ˈkoɚk/ verb
corks; corked; corking
Britannica Dictionary definition of CORK
[+ object]
1
: to close (something, such as a bottle) with a cork
- Please cork the wine.
- a corked bottle of wine
— opposite uncork; see also corked
2
: to put cork inside (something, such as a baseball bat)
- a player who has been accused of illegally corking his bats
- a corked bat