Fake compound word between seen and scene. Could mean I understand or agree or could be like this is awesome or like the spot (referring to the scene is good )
Person 1 “Yo I totally got her number Eeen”
Person 2 “ Eeen !!”
Or
Person 1 “ She doesn’t know you, can you be chill ?
Person 2 “Eeen”
Or
Person 1 “this place is dope!!!”
Person one “like eeen!”