Rattpack 

Real-All-the-time crew created by the underground rapper Logic also known as Young Sinatra.

As Frank Sinatra called his crew the ratpack but with one T, logic added one more T to make it stand for real all the time.

the Rattpack always keep it real.

Rattpack by em2ism86 February 9, 2013

The Ratpack 

N.
1. Lead by Frank Sinatra, this group of three (sometimes more but always with those 3 men)Famous Jazz singers lead popular music with a string through its nose. The men were Frank Sinatra, Dean Martin, and Sammy Davis Jr., and they were occasionaly joined by other singers of the day.
They did Music both with eachother and seperatly and also did movies together like the Original Oceans 11.

2. A name for a group of friends you hang with that you call "The Ratpack" in honor of the original Ratpack because you think the original was so cool. (You are right, they are that cool)

3. The group of boys you babysit

1.
Person 1 - What are you doin tonight?
Person 2 - Im watching Oceans 11 starring the RatPack, fool what are you doin?

2.
Person 1 - What you doing tonight brotha?
Person 2 - Yo man, I be chillin wit my Ratpack, wanna come?

3.
Person 1 - What are you going to do tonight?
Person 2 - Jeeze I'm so bummed, I have to babysit the Ratpack.
Person 1 - Sucks for you!

The Ratpack by greencandle January 11, 2005

RattPak 

A small rap group from Norman, Oklahoma that has direct influence over all social circles in their city.

"The beacons are lit. Assemble the Holy Covenant of Bangin'. Assemble the RattPak. They're our only hope."

RattPak by trevmation October 22, 2018

Ratpack

Verb: To simultaneously ejaculate, vomit, sneeze, shit, piss, bleed, and weep on your sexual partner.

Carla, I'm sorry that I killed your sex drive when I Ratpacked you in Atlantic City.

Ratpack by Todd Day August 2, 2011