An adjective describing pseudo-hippie yuppie bullshit practices. Usually refers to ingenuine hippie resembling or environmental efforts, such as using your 401k a year to buy a hybrid car and wear crocs. There are generally a lot of hippydippy organizations standing outside at concert lines or festivals that like to spam your e-mail address with useless petitions to sign and such. Mostly, the types to engage in hippydippy activities are rich people and teenagers who drive 35 miles to get to their local Earth Day festival where they will buy a hacky sack and tie dyed t-shirt, but eat a $5 piece of pizza instead of ordering from the vegan menu.
"Get your hippydippy crystals away from me, my chakras are just fine thanks."
"My friend is on this new hippydippy cleansing diet, you only eat hummus and granola."