A significant other or a crush would be called this romantic expression.
"Hey fubby, I missed you so much!"
"I'm so glad you're my fubby."
Fubby means your cute lil fub everyone has a fubby like ya know
When something is more then Funny. Also a typo for the word funny.
Hey, Snover is fubby when he's depressed.
A bastardization of the word "fuzzy."
African-Americans have fubby hair.
a facebook buddy, usually a bit bonkers, goes by the name of sarah mac donald,
hey fubby, there be no bacon passing these lips