Well, maybe your friend was stunned as he could not make out as to what you were trying to say, as in a "Huh?" expression.
Vaguely speaking,
tare means 'gravy', as in a dish gravy. And also
dare means 'who'. At a moment of vagueness, your friend could have thought, "Are you calling me Mr Gravy???" or "Why are you calling me a Mr Who???"
Or it could be something else....