To sodomise means to have sex with someone in a way that is not normal or natural.
The word sodomise can make people feel uncomfortable or upset. It is a very serious and not good thing to do to someone.
Examples:
The bad man tried to sodomise the animal.
It is against the law to sodomise someone without their permission.
He went to jail for trying to sodomise someone.
The bad man wanted to sodomise the cat, but the cat ran away.
In some countries, it is very bad to sodomise someone.
The bad man was caught trying to sodomise the dog.