What is Dajaj?
1.
Top secret phrase devised by two nerds to communicate between themselves a common understanding that they don't agree with what a third party is saying or doing.
Realtor with crap property: "...and over here is the beautiful lake view (retention pond/swamp)."
Wife speaking to husband: "Isn't this place wonderful? What a view... Don't you think so honey?"
Husband: "Yeeeaahhh...dajaj."
See