i slept with my girlfriend's identical twin sister without realizing and don't know whether to tell her or not, it's a complete headfuck
a difficult or awkward situation with no obvious correct course of action, literally something which fucks with you head
"i slept with my girlfriend's identical twin sister without realizing and don't know whether to tell her or not, it's a complete headfuck" What is the definition of "headfuck"?