look up any word, like pretty face challenge:
 
1.
the act of beginning to dance at the recognition of a familiar or stimulating musical number
Oh I love this song by Ludacris, let's leg out
by chaunce monster April 18, 2011
 
2.
Used when a simple "let's go!" cannot describe how excited you are to embark on an adventure
Hey Chris did you hear about that party?" "Yeah bro, leg out!
by Subaruzz May 22, 2011