He called me a "Puta" should I be taking that lightly?

Okay, I was called this in this past. I was only 16 at the time and I was called by it from my guy friend who was a tad bit older than me and whom I had feelings for. Me being a naive girl didn't know what it meant, and was assuming he was saying something in his own language (Which by the way, Isn't Spanish). And, now later after 3 years I remembered him using that word out of nowhere and decided to look it up ๐Ÿ˜

I was shocked to see what it translated to and from what language the word comes from. I remember him saying in the past that it was a cute nickname they used in his language (Not). Also clearly remember him asking me permission if he can call me that. Me being naive like I was said that Its his choice and decision to call me anything he wants.

by the way, he also convinced me one time also in the past, that "gay" means "happy", so basically he was convincing me that he was calling me happy, which I'm glad I didn't fall for ๐Ÿ˜’...

Anyway should I be taking this lightly after finding out what he was calling me in the past, or is this not okay to be calling someone? Like how bad is this word to use on someone?
He called me a "Puta" should I be taking that lightly?
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