You got to be douchin

like the phrase"you got to be kidding me" but as in someone is trying to use you or you have been used in a situation that you did not know of or having intentions of doing something but getting used in the procces

guy one: dude you wanna chill tonight.

guy two:yeah mean i'll be by later.

(to guys are together and riding around)

guy one:dude i told my girl that we would come pick her up

guy two: dude you got to be douchin me