This phrase means that their appearance or demeanor matches what is appropriate or expected at a grave site, such as showing respect or mourning.
It means approximately "set aside their formal clothing".
The cast of The Grave Robber - 2010 includes: Barry Ace as The Grave Robber
The cast of From the Grave - 2012 includes: Nici Strehl as Nici
The cast of The Grave - 2003 includes: Andrew Nagy as The Prisoner
The cast of On Your Grave - 2008 includes: Monica Callan Alex Emanuel as Carl
The cast of Grave - 2012 includes: Amber Lee Kolson as Old Woman
paint yoghurt over on the ornaments and just leave it to 'weather' Good luck!
The cast of No Marked Grave - 2011 includes: Shaheizy Sam Norliana Samsudin
The cast of Out of the Grave - 1913 includes: Chester Barnett Geraldine McCann Pearl White
The cast of The Unquiet Grave - 2012 includes: Ryan Sheppard as Sir. William
The cast of Grave Indeed - 2010 includes: Jayme Swiftt as Ticket Salesman
The cast of Rocket from the Grave - 2013 includes: Justin Buckner as Franklin Andrew Jurcak as Manfred