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2.
A Dian is a man which resembles a dinosaur. Generally is tall, with a sonic the hedgehog hairstyle.
Open the door, get on the floor, everybody walk the Dian-o-saur
by Xaveria February 07, 2010
 
1.
noun; verb
expressing an irrational solution for a everyday problem;
impulsive and immature idea without thought;
to say an thought or idea that requires facepalm;
phrase:
you just pulled a dian

phrase:
wow, you just dianed

example of a "dian":
"if oil is running out everyday, why don't we just make more?"
"if people are starving to death, why don't we feed them?"
"why don't we just ship money to poorer nations?"
by FCMJ April 27, 2010