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1.
A Person, Usually Smarter than crap, who will do anything to prove you wrong, even at his own expense, just in spite of you.
Joe "He bough that $20,000 car to beat him in a race?"

Bob "What a Deric."
by IMACHARGINMAHLAZER May 13, 2009
 
2.
A person who is very intellectual and intelligent. this person is very athletic and handsome. Likes to play around a lot, but has a serious side that only certain people know about. Only close friends know the real deric. Girls hate him but cant help to love him. very good person. but girls see him as a bad boy, and they like it. has a lot of wisdom.
"man he's such a deric"

Translation: "man i want him, even though i know i shouldnt"
by mikelowry March 27, 2012