Bonus mom noun phrase informal
Step-mother.
Jane could not get on with her bonus mom, so she was not welcome in her father's house.
The two eventually started dating and married in 1980. Taylor became bonus mom to Jack 's four children from a previous marriage.
His father died leaving his young children in the care of a cruel bonus mom.
Used to refer to a biological mother
One's father or mother
People tend to like forbidden or illegal things just because they are forbidden or illegal.
He must have believed that stolen fruit is the sweetest, and he, therefore, cheated on his partner.