Joan Collins 

V: To give the attitude of a very well bread aloof person.
V: To intimidate.
V: To become very jelous of another woman's boyfriend or husband.
N: A wealthy woman who dates poorer, much younger men. (See Cougar)

The word is the name of British actress, novelist and glamour girl Joan Collins who has appeared in over 50 films and 25 television series.

V: She totally gave me Joan Collins'tude.
V: She's such a Joan Collins.
V: I won't go all Joan Collins on you!
N: She was so Joan Collins-ing on that guy.

Joan Collins by YuppyGuppy November 11, 2004

Joan Collins special 

n. The act of cheating, duping, or screwing someone.

Homer Simpson: "The Phone Company is bamboozling us!"

Moe : "Homer's right! We're gettin' the Joan Collins special!"

Joan Collins special by Foreverzero3 January 30, 2006