addle

Related to addle: adduce

addlebrained

Confused, bewildered, or disoriented. This cold medicine has left me totally addlebrained—I just wrote down that 2 + 2 = 5.

addle-plot

obsolete One who disrupts or interferes with someone else's plans or enjoyment. If you want to have a good time, we can't invite that addle-plot. Father won't let us take the horses out today? What an addle-plot.
Farlex Dictionary of Idioms.
See also:
  • brained
  • addlebrained
  • (one) doesn't know which way is up or down
  • go potty
  • headfucker
  • punch drunk
  • punch-drunk
  • punchy
  • be out of it
  • be/feel out of it/things