It's a matter of language and semantics. Billions of people can be wrong yes just what we call soccer, 1 billion+ people call football. Just what is what isn't some objective truth just that Americans call soccer, others call football. Just that what we call what can vary from culture to culture...
No SSBBW means Super Sized Big Beautiful Woman. Which is a super fat woman presented as beautiful/sexy. Like a woman who's super duper fat versus the type of fat most mangaka make women, to be as big as a sumo wrestler. Don't know if Nikuko would count or her mom. I have seen SSBBW used to...