myalxhdi
n., med. The feeling one gets when one realizes that they are just about to suffer a headache, only it hasn't arrived yet.
If you've tried to post a comment on a Blogger's blog, you've likely run into Word Verification, that random string of letters that you must type in order for your comment to go through. Sometimes we've seen that "word" and made up a funny definition for it. This is a lexicon of those definitions.