Button it!
Definition 1 of 1
Pro Tip 1/3Colloquial Usage
'Button it!' is informal and best used in casual settings, not in professional or formal situations. 
While hanging out, Joe's constant chatter got annoying, so I told him to button it!
Pro Tip 2/3Potentially Rude
This phrase can come off as rude or harsh, so be cautious about the company and the tone you use it in. 
After losing his patience, he rudely said, 'Oh, just button it!' and walked away.
Pro Tip 3/3Impatience or Annoyance
Use 'button it!' to express impatience or annoyance when someone talks too much or says unhelpful things. 
She kept giving unwanted advice, so I finally snapped, 'Can't you just button it?'