DuckCorp Dico

Found one definition

1.                 From en.wiktionary.org:
                   
   
   
                   
                     
   
   ** English
   
   *** Etymology
   From [en].
   
   *** Verb
   [en-verb]
   
    1. [en]  To remove ruffle s from; to make smooth .
    2. [en]  To calm  or soothe  (a person).
    3. [en]  To calm down .
    4. * {{ quote-text | en | year=2000 | author=Robert Grant | title=The Gift of Lack: Short Stories and Other Writings | page=73
   |passage=[The old man] stood grinning like a gnome, obviously delighted to
   watch me flush and ruffle and then gradually unflush and UNRUFFLE.}}