Idioms: rack your brains meaning

Find out meaning/definition of the idiom “rack your brains” including example sentences and interesting original facts. The phrase has been remained very popular in English language since the ages and even in present times it has gained acclamation in common sayings among the English speakers. This term start with the letter #R it was published on TheIdioms.com website in February 2016 with detailed explanations under the category of Common English Sayings and Idioms.