crank up 

To start something. Derived from the method of starting an old-timey car that literally had to be "cranked up" before it could be run.

Make sure the pool isn't too cold before I bother to crank up the heater.

crank up by Metatag November 2, 2005

crank up 

To crank something up means to increase it or make it more intense

The kids crank up the volume on the stereo.
The pressure to succeed in school has been cranked up a notch.

crank up by Vicky0 December 3, 2020

crank up 

horny.

“god i’m really starting to crank up”

crank up by YESladssss384 July 21, 2021

crank up the diarrhea dial 

something that becomes really, really shitty over time

Person 1: there's a new sequel coming out for (insert shitty movie) today!
Person 2: oh man i can't wait to see how far they crank up the diarrhea dial this time!

crank up the diarrhea dial by the elusive bank-teller November 22, 2013

Crank up the old Evinrude 

The process of trying to get and old, tired dick ready for battle. A rallying cry for boaters.

It had been so long since I ducked, but with a willing spirit, I attempted to crank up the old Evinrude.

Crank up the old Evinrude by Pompatus of Love September 4, 2016

crank it up a notch 

It means to bring anything to a next higher level.

Don't always play it in easy mode. Let's crank it up a notch!

crank it up a notch by Montage0921 June 8, 2021

crank it up and rip the knob off 

An 80's term meaning to crank up the volume on a boombox and rip the knob off so nobody can turn it down.

Boombox: (song starts playing)
Guy: This is my favorite! Crank it up and rip the knob off!

crank it up and rip the knob off by Amethyst Watermelon September 5, 2016