Is this sexual harassment?

My manager (M), asked me (F) if I had watched p**n before. Before this, he even accused me of being a lesbian (though I am not).

Not to mention, he asked another male colleague if he had watched p**n. Recently, our manager asked us ladies to check out the male colleague's junk.

In your opinion, does this consider as sexual harassment?
Now he goes around telling people I am a bitch for walking away whenever he starts a dirty joke.
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By the way, he tells people that he was just joking and I took his joke way too serious
Is this sexual harassment?
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