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1.
A person who engages in acts that are so extraordinarily stupid or annoying that he or she could be considered the King or Queen of douches.
Did they ever find out who pulled the fire alarm at 5:30 this morning? No, but whoever it was is a royal douche.
by cbear'09 March 05, 2011
 
2.
adj. -term of derision used to describe a man who takes on trappings of wealth inappropriately in an attempt to be perceived as prosperous. noun- A male who can be described as such at all times.
1) Look at that bunch of Royal Douche medical students wearing their scrubs into a bar.

2)The funny thing about any guy with a constant Blue Tooth in his ear is that he is defacto such a Royal Douche nobody wants to talk to him.
by appleb May 24, 2011