cudgel (one's) brains

(redirected from cudgelled their brains)

cudgel (one's) brains

To try very hard to comprehend, solve, think of, or remember something. I was up all night cudgeling my brains for a way to pay off all my debts. She cudgeled her brains to remember the man's name.
See also: brain, cudgel
References in classic literature ?
Not to remember it; but Mac and Steve have, and liked it immensely," answered Archie, thereby causing the two mentioned to neglect Debby's delectable fritters for several minutes, while they cudgelled their brains.