Acronym, Part Noun, Part Verb.
B=Bull. F=Fuck. W=Walrus. S=Shit. So together it equals Bull Fuck, Walrus Shit.
You and you're sibling get into an argument, She/he says "I hate you!" You reply, "I don't give a BFWS!"
by Kaimily May 30, 2009
Get the BFWS mug.