Longman Dictionary of Contemporary English
The Collaborative International Dictionary
mind-bending \mind-bending\ adj. intensely affecting the mind, especially in producing hallucinations; -- usually of chemical substances. [informal]
Syn: mind-blowing.
Wiktionary
a. 1 hallucinogenic. 2 mental taxing.
WordNet
adj. intensely affecting the mind especially in producing hallucinations [syn: mind-blowing]
Usage examples of "mind-bending".
He was telling them a tale of such mind-bending raunchiness that Eskodas's jaw dropped.
He had lectured on physics topics several times at Jay’s school and had proved popular as much for his entertainment value as for his grasp of the subject matter, which he always managed to make exciting with tantalizing glimpses inside black holes, mind-bending accounts of the first few minutes of the universe, and fantastic speculation about living in twisted spacetimes with unusual geometries.