The phrase "brain cramp" means a temporary mental lapse or momentary forgetfulness.
Sentences with «brain cramp»
I even tried to diagram the various timelines, but that became an exercise in brain cramps. (sbnation.com)
And there is nothing there to believe that Sam or Boo are ready — not only to avoid the crucial brain cramping mistakes — but also do positive things that win the game. (sbnation.com)
Myers has the occasional brain cramp but so does Buff. (sbnation.com)