when a girl has eyes that are absolutely beautiful for sucking your dick extravagantly (and in general) usually with long eyelashes
“damn that girl has some major head eyes, wouldnt mind getting brain from her” said guy with small sized penis
“my girlfriends eyes are so perfect for head” said guy with bbc
"head haechanarian" is a title that solely belongs to Ardy (@haechanarian on tiktok) and always will belong to Ardy. The title comes from NCT-127 and NCT DREAM member Haechan (Lee Dong-hyuck).
"Bro do you know about that one Haechanarian?" "Nah.. idk who ur talking abt I only know Ardy, THE head haechanarian."
The phenomenon of having so much information on one subject due to researching on it but being unable to draw it out into sensible written representation. Most commonly suffered during exams, thesis writing and such.
I can't quite get my paper written even though I have all the required information. I must be suffering from head constipation.