With the inner surface turned out or revealed, as in He wore his shirt inside out. This expression dates from about 1600 and was soon used figuratively, as in He turned the verses inside out and revealed their hidden sense.
Extremely well, thoroughly, especially alluding to knowing something. For example, He knows this system inside out. [First half of 1900s]
How to use inside out in a sentence
Really, is it any wonder that fluoride should freak people out?
For a while yoga and pilates classes were sought out at luxury gyms like Equinox.How Taryn Toomey’s ‘The Class’ Became New York’s Latest Fitness Craze|Lizzie Crocker|January 9, 2015|DAILY BEAST
On Thursday, Garcetti ruled himself out of the race to succeed Boxer.The Golden State Preps for the ‘Red Wedding’ of Senate Races|David Freedlander|January 9, 2015|DAILY BEAST
Police officials told the AP that they came out with guns blazing.
They took cover inside a print works to the north east of Paris, where they held a member of staff as a hostage.
And he was gone, and out of sight on the swift galloping Benito, before Father Gaspara bethought himself.Ramona|Helen Hunt Jackson
Most of the men leaped up, caught hold of spears or knives, and rushed out.The Giant of the North|R.M. Ballantyne
Liszt looked at it, and to her fright and dismay cried out in a fit of impatience, "No, I won't hear it!"Music-Study in Germany|Amy Fay
The most High hath created medicines out of the earth, and a wise man will not abhor them.The Bible, Douay-Rheims Version|Various
Squinty could look out, but the slats were as close together as those in a chicken coop, and the little pig could not get out.Squinty the Comical Pig|Richard Barnum