Grease the wheels 

Drinking a cup of coffee to facilitate a bowel movement.

Mike: Is that your third cup of coffee?
Carl: Yeah, I haven't taken a dump in two days, I'm just trying to grease the wheels.

Grease the wheels by mybigfatgreasewheeler1 July 24, 2009

squeaky wheel gets the grease 

Only the loudest whiner gets what he wants. ("The wheel that squeaks the loudest / Is the one that gets the grease.")

We all wanted the last bit of water, but since Hector whined all afternoon about being parched, Dad gave it to him. I guess the squeaky wheel gets the grease.

squeaky wheel gets the grease by J Basc January 1, 2008

squeaky wheel gets the grease 

It means that if you bitch loud enough, you'll eventually get your way.

Becky begged for months to her parents for a new car and she somehow got it. Squeaky wheel gets the grease, I guess.

squeaky wheel gets the grease by KRHimself August 11, 2005