1: Someone that thinks he’s really cool, wishes they were still young so tries to act like they are. Purposely embarrasses others.

2: Midwest NCSY MC
Person 1: I hate my new teacher!
Person 2: why?

Person 1: he is such a Daniel Rosenthal!
Person 2: OH my Hashem I HATE that guy!
by Ncsyer December 26, 2019
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