This is the 5885th most frequent Japanese word.
まぢか
"まぢか" (majika) is a casual exclamation meaning "Seriously?!" or "No way!" in English.
Here, まぢか expresses surprise and disbelief in response to an unexpected situation.
まぢか、これ本当に起きたの？
Seriously, did this really happen?
In this usage, まぢか conveys astonishment and incredulity about what someone has done.
まぢか！君がこれをやったの？
Really?! Did you do this?
When used this way, まぢか refers to physical closeness or proximity in viewing something.