It means to not brake the law.
Lay Down the Law was created in 1984-11.
Setting rules, laws for a community
The L Word - 2004 Lay Down the Law 5-8 is rated/received certificates of: USA:TV-MA
Lay down the law! Let him know you meen buisness!
They LIE down (to lie, lay, lain). LAY the table, please! (to lay, laid, laid).
Get Down or Lay Down was created in 2000.
The L Word - 2004 Lay Down the Law 5-8 was released on: USA: 24 February 2008 Australia: 20 May 2009 (DVD premiere) Japan: 17 July 2009
Lay Me Down was created in 2010.
It is not a combined form. The word "down" is an adverb. It can modify verbs such as lay.
The past tense of "lie down" is "lay down."
You can't lay down in clubpenguin. Sorry.
You lay down the law and forbid her from sleeping with her mother, and lock the door.