Spoken as a phrase, generally as exclamation at full voice volume. It simply signifies that a story being told has likely already been told several times.
Person 1 : "Oh, yeah I forgot to tell you. After work today I bumped into Ron and -"
Person 2 : AT THE DISPENSARY
2👍 3👎
Omg I thought that was a line if blow but it was Kitty and I ain't seeing straight now!