This is part of the Frank said feature. You can see more here.
Me: Hey BatGirl, your video is 64% uploaded.
Frank: Tell me when it’s 69%
BatGirl and Me staring blankly at Frank.
Frank: Bwahahah. BWAHAHA!
BatGirl: Was that supposed to be a joke? Tell me again and I’ll try to laugh.
Frank: [waving her off] That’s ok. I laughed enough for both of us.