soltar a franga let your hair down / cut loose

Creator:	Marcelo Gonçalves
Language pair:	Portuguese to English
Discipline:	-
Definition / notes:	...to relax and enjoy yourself without worrying what other people will think. It's nice to let your hair down once in a while and go a bit wild. ; 2. to behave in a way that is free and relaxed, especially when you are enjoying yourself. After a few glasses of wine everyone just cut loose and started dancing.
URL:	http://idioms.thefreedictionary.com/let+hair+down