turn the key 

Start somebody's motor by cranking on their shaft (a.k.a., penis shaft)

She really knows how to turn the key. I got hard instantaneously.

turn the key by 128 pounds of fat chick September 10, 2009

Skeleton Key

To insert your finger in someone's asshole without using lubricant.

I need to take my girlfriend to the pharmacy to buy Advil because I skeleton keyed her... but first I need to wash my finger. While I'm there, I'd better buy lubricant for next time.

Skeleton Key by Captain Map Reader May 16, 2010

low key 

To do something secretly or not tell anyone about it

They are low key dating

low key by thick_bitch109 January 25, 2016

5-Key Beatmania 

The term most commonly used for the game Beatmania, the music action game that started the whole BEMANI series.

No way I'm playing 5-Key Beatmania at some stupid kids' arcade.

5-Key Beatmania by dj gs68 May 10, 2003

Pelli Key 

to use the phrase "I Know, Right", when in conversation, generally adding nothing to the conversation, to the point of extreme annoyance among peers.

"I really am tired of my job, life's been rough recently"

"I KNOW RIGHT"

"thanks for dropping the Pelli Key asshole, i thought you cared".

Pelli Key by Hank Scrapio October 11, 2007

the key to success 

Intro to every dj khaled's snapchats

The key to success is (any random thing)

the key to success by Bambiii April 24, 2016

Big red key

UK Police battering ram. Called the big red key due to it being big, red and used to open doors.

Police:Open the door or I'm going to get my big red key.

Big red key by Not*the*FBI October 21, 2020