trustfundafarian Share definition Flag a trustfundafarian is usually a Caucasian or Asian with dread locks who buys his weed with his parents riches, or their trust fund. Mary: have you met bob yet? Jane: the white guy with dreads? Mary: yah, such a trustfundafarian trustfundafarian by trustfundafarian October 18, 2012 Get the trustfundafarian mug.