brain-burned

brain-burned

Displaying the adverse effects of drug use, especially cognitive impairment. He started doing drugs as a teenager and is totally brain-burned now.
Farlex Dictionary of Idioms.

brain-burned

and brain-fried
mod. brain-damaged from drugs. (see also burnout.) Man, you’re gonna get brain-burned from this stuff. When he finally got totally brain-fried, he asked for help.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • fried
  • brain-fried
  • without (even) batting an eye
  • without (even) batting an eyelash
  • without (even) blinking an eye
  • without batting an eye
  • without blinking an eye
  • crack a crib
  • crib
  • walk softly and carry a big stick