The phrase "huge tease" refers to someone or something that seems like it is going to be very exciting or interesting, but ultimately disappoints or doesn't deliver as expected. Full definition
My little girls wake up every morning with huge teased bedhead hairdos, so we start the morning routine with brushing out their locks. (mommyscene.com)
Next, the Pick Up - Put Down method — even harder, as it seemed to be a huge tease for him. (huffingtonpost.ca)
Sometimes I think Thursday is actually the worst day of the week because it's a huge tease for Friday and the weekend. (stillbeingmolly.com)