1
general::
1. However you wish, whatever you choose, as in We can have meat or fish tonight, as you please, or Go or don't go? do as you please. This idiom was introduced about 1500 and inverted what was then the usual order, which was "as it pleases you." 2. Very, extremely, as in After winning the contract he was smug as you please, or She sat there in her new dress, as pretty as you please. [First half of 1900s]
American Heritage Idioms