PRANK GONE WRONG (we are idiotst)

SO ME AND MY FRIEND (lets call him Arg (he picked that name out... hm)) WERE LIKE "hey lets prank this asshole who sexually harassed me like 3 weeks ago and pretend Arg likes them silly haha". IT WAS IN FACT NOT SILLY HAHA. 

Arg is now frightened and has been attacked by the assholes mouth D: (they made out.....)

WE DIDNT THINK THIS THROUGH. WHAT NOW? HUMILATE THEM? HOW? OR LIKE BLOCK THEM? 

The asshole actually thinks Arg is attracted to them.. when he is indeed not. 

PLZ HELP