mind-bending

from WordNet (r) 3.0 (2006)

mind-bending
    adj 1: intensely affecting the mind especially in producing
           hallucinations [syn: {mind-bending}, {mind-blowing}]

from The Collaborative International Dictionary of English v.0.48

mind-bending \mind-bending\ adj.
   intensely affecting the mind, especially in producing
   hallucinations; -- usually of chemical substances. [informal]

   Syn: mind-blowing.
        [WordNet 1.5]