Dean Martin 

Superlatively cooler than most in diction, manner, and in the ability to woo the opposite sex.

also see: Dino

The way he effortlessy coaxed those two hotties up to his pad with one sentence was so Dean Martin.

Dean Martin by loungecat August 9, 2004

Dean Martin 

A singer back in the day that STILL is cool to this day. Almost everyone has heard his music. Also in the original Ocean's 11 with Sammy Davis Jr. and Frank Sinatra.

Person- "Dean Martin is my favorite singer!"

Dean Martin by SJM3 March 17, 2009