btch is simply bitch using the i applied for. great usage for all those email, username websites that say no swearing. Its when anyone that are attempting to be cool however cant curse on a live chat on some stupid WOW server. "blonde tiny cunt hair", the littlest of three grades of dimension utilizing, well, cunt hair. The purple cunt locks, rch is somewhat larger, therefore the black or brunette cunt hair bch may be the biggest of three.