Just people taking scenes and trying to insist that it's Wincest evidence. People drawing good shit then tagging it Wincest. People saying that Dean wants to bone his little bro. Etc.
Sherlock was high and Mycroft was teasing him about not letting someone high on Magnussens case. When he was about to leave, Sherlock pushed him against the door as if trying to twist his hand saying “brother mine, don’t appall me when I’m high”