An important tool used in taxonomy, to classify living organisms.
"The dichotomous key can classify many things"
When you finally get the most likes on the "daddy's little fidget spinner" copypasta out of all your friends, so you become the most liked in your group. This makes you the daddy of your school/workplace.
Friend 1: Dude, look! I got 500 likes on my post of that dumb copypasta!
Friend 2: Yo, you gotta be the key turning penis now!
Complaining about having to do something when you secretly enjoy the action at hand
Addison states that he hates dos key, but he told me in confidence that it was one of his favorite things to do.
someone who holds the keys to the company doors
guy: who is that woman?
other guy: she is the key account manager
Readings that represent the main topics of an idea that allows the reader to understand the material in a better manner.
A key readings for studying the solar system would include books of articles on the different planets.
The key roller is big and bad. He is head of the table in your social circle and is the master of rolling a fat cigar.
Me: " Damo what are you doing "
Damo: "Lads look at me, I'm the key roller check out this ciggah"