USBB 

You stupid bitchy blond.

some one who ditches you and you get mad at.

USBB by me January 27, 2005

usbbw 

A USBBW (Ultra-Sized Big, Beautiful Woran) is a SSBBW which weighs over 600 pounds. It is a rare occurence, and therefore a subcategory of SSBBW.

Have you seen that girl last night?
She must have been an USBBW.

usbbw by USBBW May 25, 2019