What does ONJ stand for?

ONJ stands for "Olivia Newton-John"

How to abbreviate "Olivia Newton-John"?

"Olivia Newton-John" can be abbreviated as ONJ

What is the meaning of ONJ abbreviation?

The meaning of ONJ abbreviation is "Olivia Newton-John"

What does ONJ mean?

ONJ as abbreviation means "Olivia Newton-John"