which best free video youtube alike adult content

Guys can somebody recommend me by your opinion best free youtube alike streaming video site ( free) which allows adult contant and which can be used in dolphin instead youtube. I dont want store files locally so streaming option nfrom sites like youtube or vimeo will be best for me but dunno which site that allow adult content is best one in regards of accessibility, reliability and speed and be free :-)  thanks in advance for all recommendations...