pretendtious
acting like you have money and status only because you are hanging out with people who do
Steve was all pretenDtious when he sailed with his rich friend the other day, he wore a blazer and acted like he was all that. What a douchebag.
pretendtial
To speak and act as if you will do something social, when in fact you know you will not.
At 10 pm in pajamas with pizza delivery en route, Sally knows the prospect of ending up with friends at the bar tonight are pretendtial.