call sb names
If a person, especially a child, calls someone names, he or she addresses that person with a name which is intended to be offensive:
Tom's worried that if he wears glasses at school the other children will call him names.

[TahlilGaran] Advanced Learner's Dictionary ▲

call names
call (someone) names
to use impolite or unpleasant words to describe someone.
I was afraid that if I wore glasses to school, the other kids would call me names.

It's a good thing he didn't hear me earlier - I was calling him all the names under the sun.
(= using a lot of impolite words to describe him)

[TahlilGaran] English Idioms Dictionary ▲

call names
to call a person unpleasant names
The children began to call the new student names.

[TahlilGaran] English Idioms Dictionary ▲

call names
v. phr. To use ugly or unkind words when speaking to someone or when talking about someone.
■ Usually used by or to children.
Bill got so mad he started calling Frank names.

[TahlilGaran] English Idioms Dictionary ▲

call someone names
call (someone) names
to use impolite or unpleasant words to describe someone.
I was afraid that if I wore glasses to school, the other kids would call me names.

It's a good thing he didn't hear me earlier - I was calling him all the names under the sun.
(= using a lot of impolite words to describe him)

[TahlilGaran] English Idioms Dictionary ▲

call someone names
to call a person unpleasant names
The children began to call the new student names.

[TahlilGaran] English Idioms Dictionary ▲