I mean

particle4

1. •
   Used to correct an error or slip of the tongue.
2. •
   (informal) A delaying filler.

   • They were filth, utter filth. I mean, and this tops it. She even bought the video of her sister dying, or at least the sex act that killed her. — 2011
3. •
   (informal) A mild intensifier.

   • I must say the title puts me off as well. I mean, come on. Is this supposed to be original or creative?
4. •
   (informal) An indication of approximation or uncertainty.

   • I mean, it very well could be.