I didn't know either... so I looked it up in the spreadsheet you'll find here : Acronyms - What does THAT mean?? | E-Cigarette ForumOK I have to know but what does bf stand for? I swear I see a new one everyday, by this time next year there will be a complete anagram dictionary just for vaping!View attachment 472217
It means bottom feed

but I had to look at your sign on date to figure it out...happy anniversary and a vape for you
