Wiktionary
bored to tears
a. Extremely bored.
Usage examples of "bored to tears".
Sometimes, bored to tears with their halting voices, he simply read to them himself.
She could either go back to the Star Chamber and be bored to tears watching Paithan dither over his stupid machine or she could go and see if Roland would really meet her at the garden maze.
Thus, Donatella Furz, who thought she remembered reading something about it years ago, was immured in dusty papers and unintelligible correspondence, bored to tears, yawning over the ancient stacks, and longing for dinner.
We are already bored to tears by this account of your sufferings and can bear no more!
I've been jockeying a desk for the past six months and bored to tears.