bore stiff

bore (one) stiff

To cause one to be extremely bored, to the point of distraction, frustration, or irritation. Today's lecture bored me stiff.
See also: bore, stiff
Farlex Dictionary of Idioms.

bore someone stiff

 and bore someone to death; bore someone to tears
Fig. to be exceedingly dull and uninteresting. (Stiff means "dead.") The play bored me stiff. The lecture bored everyone to death.
See also: bore, stiff
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • bore (one) stiff
  • bored stiff
  • bored to tears
  • bore (one) to death
  • bored to death
  • bore to death
  • bore the pants off (of) (one)
  • bore the pants off of
  • bored out of (one's) mind