a common misspelling of the word bitch however when friends make fun of you for spelling the diss wrong, you tell them that in fact BITHC means BIG IGNORANT TITTY HOARDING COCKSICLE.
Max: quod erat demonstrandum bithc!!!
Andrew: Ha bitch you went through all that just to spell bitch wrong!
Max: no retard -_- i said bithc as in big ignorant titty hoarding cocksicle!! that's you!
Andrew: :'( shit i just shat my pants fuck im sorry max <3