Welcome EstoyContentoHoy and your post reminds me of similar experiences years ago at school.
What do you mean by "elaborate?" Probably not super-formal since your proposal uses the familiar form of the second person singular. Give us an example of how you want to say it in English so we can know the proper register in Spanish: street talk, slang, flowery, supercilious, among friends of both sexes, etc.
Again, Welcome to you!
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