Person 2: nah, i'm totally Timefucked
Person 1: same, yesterday i thought it was Wednesday and Saturday at the same time!
Dangerous, as your initial reaction isn't that there is a fault with the clock, but rather a fault within the space-time continuum.
Mike - "Sorry, the clock says ten, even though it's six. I'm a bit Time-Fucked right now."
If one person were to go back in time and have sex with him/herself, then it isn't considered gay because neither is masturbation, yet it is not masturbation because there is another person to have sex with, and it definitely isn't incest because they are not siblings.