How to spot a guiri (pronounced geery)

1.Usually seen wearing socks with sandals and shorts
2.Always a nice shade of pink
3.Speaking loudly at locals thinking that will make themselves understood

Links for info on guiris
http://oreneta.com/kalebeul/2005/03/14/galdos-and-those-spud-crazy-guiris/
http://forum.wordreference.com/showthread.php?t=245864
http://delta2000.galeon.com/
http://theguiridispatches.wordpress.com/