y'know

Interjection

1. (informal) Expression signifying a pause or hesitation.
   • I don’t usually get nervous in games and, you know, taking free kicks and penalties but that’s the first time I’ve been that nervous in, in a game, where I have to, I’m in a situation where I’m, you know […]2002 December 15, “Interview with David Beckham”, in Breakfast with Frost, spoken by David Beckham, via BBC
2. (informal) Expression used to imply meaning, rather than say it, such as when a person is embarrassed.
   • A: I can’t go to the party because... you know...
     B: Your mom is still mad at you, huh?
     A: Yeah...
3. (informal) Used as a rhetorical question to confirm agreement, knowing or understanding at the end of a statement.
   • But I guess that's life, you know?

   Synonyms:

   right, like, er, erm, um, you see, do you know what I'm saying, you know what I'm saying, eh, don't you know

4. (informal) Used to introduce information.
   • You know, he's actually pretty nice.
5. Used other than figuratively or idiomatically: see you, know.