Double Nickel

N. Fifty-five miles per hour, origins in CB radio slang.

Speed limit comin' up is double nickel, my cornflake friend.

by Digs July 13, 2004

Double Nickel

Being fifty five 55 years old.

Pete just hit double nickel, he can retire early now.

by vamnews October 23, 2005

Double Nickel

Denotes Interstate 55. I-55 terminates in Louisiana
-- In which Master-P, T-Smith, and others used the term "Double Nickel" when referring to drug deals around an in Mississippi and Louisiana.

I am rolling up the Double Nickel to Jackson to work a deal!

Scott cheated on his wife again in a cheap hotel off the Double Nickel.

by Biatch551 October 17, 2005